Home / 6,781,128.60-9,358,130.70-3,725,419.80

Finding the Fourth Proportional to 6,781,128.60, 9,358,130.70 and 3,725,419.80

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Solution

The fourth proportional to 6,781,128.60, 9,358,130.70 and 3,725,419.80 is: 5,141,174.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,781,128.60 : 9,358,130.70 = 3,725,419.80 : x
  2. Step 2: Convert to fraction form
    6,781,128.60/9,358,130.70 = 3,725,419.80/x
  3. Step 3: Cross multiply
    6,781,128.60x = 9,358,130.70 × 3,725,419.80
  4. Step 4: Simplify right side
    6,781,128.60x = 34,862,965,400,767.86
  5. Step 5: Solve for x
    x = 34,862,965,400,767.86/6,781,128.60
  6. Step 6: Final answer
    x = 5,141,174.49

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1.5x scale

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.