Home / 6,128,685.90-9,193,028.85-1,640,961.90

Finding the Fourth Proportional to 6,128,685.90, 9,193,028.85 and 1,640,961.90

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Solution

The fourth proportional to 6,128,685.90, 9,193,028.85 and 1,640,961.90 is: 2,461,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,685.90 : 9,193,028.85 = 1,640,961.90 : x
  2. Step 2: Convert to fraction form
    6,128,685.90/9,193,028.85 = 1,640,961.90/x
  3. Step 3: Cross multiply
    6,128,685.90x = 9,193,028.85 × 1,640,961.90
  4. Step 4: Simplify right side
    6,128,685.90x = 15,085,410,088,450.81
  5. Step 5: Solve for x
    x = 15,085,410,088,450.81/6,128,685.90
  6. Step 6: Final answer
    x = 2,461,442.85

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Similar ratio
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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.