Home / 6,128,690.40-9,193,035.60-1,640,966.40

Finding the Fourth Proportional to 6,128,690.40, 9,193,035.60 and 1,640,966.40

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Solution

The fourth proportional to 6,128,690.40, 9,193,035.60 and 1,640,966.40 is: 2,461,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,690.40 : 9,193,035.60 = 1,640,966.40 : x
  2. Step 2: Convert to fraction form
    6,128,690.40/9,193,035.60 = 1,640,966.40/x
  3. Step 3: Cross multiply
    6,128,690.40x = 9,193,035.60 × 1,640,966.40
  4. Step 4: Simplify right side
    6,128,690.40x = 15,085,462,533,603.84
  5. Step 5: Solve for x
    x = 15,085,462,533,603.84/6,128,690.40
  6. Step 6: Final answer
    x = 2,461,449.60

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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.