Home / 6,128,678.15-9,193,017.23-1,640,954.15

Finding the Fourth Proportional to 6,128,678.15, 9,193,017.23 and 1,640,954.15

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Solution

The fourth proportional to 6,128,678.15, 9,193,017.23 and 1,640,954.15 is: 2,461,431.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,678.15 : 9,193,017.23 = 1,640,954.15 : x
  2. Step 2: Convert to fraction form
    6,128,678.15/9,193,017.23 = 1,640,954.15/x
  3. Step 3: Cross multiply
    6,128,678.15x = 9,193,017.23 × 1,640,954.15
  4. Step 4: Simplify right side
    6,128,678.15x = 15,085,319,766,385.23
  5. Step 5: Solve for x
    x = 15,085,319,766,385.23/6,128,678.15
  6. Step 6: Final answer
    x = 2,461,431.23

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Double scale
Find fourth proportional to 6,128,679.15, 9,193,018.73 and 1,640,955.15
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.