Home / 6,781,129.60-9,358,132.08-3,725,420.80

Finding the Fourth Proportional to 6,781,129.60, 9,358,132.08 and 3,725,420.80

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Solution

The fourth proportional to 6,781,129.60, 9,358,132.08 and 3,725,420.80 is: 5,141,175.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,129.60 : 9,358,132.08 = 3,725,420.80 : x
  2. Step 2: Convert to fraction form
    6,781,129.60/9,358,132.08 = 3,725,420.80/x
  3. Step 3: Cross multiply
    6,781,129.60x = 9,358,132.08 × 3,725,420.80
  4. Step 4: Simplify right side
    6,781,129.60x = 34,862,979,899,979.26
  5. Step 5: Solve for x
    x = 34,862,979,899,979.26/6,781,129.60
  6. Step 6: Final answer
    x = 5,141,175.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.