Home / 5,129,404.40-7,694,106.60-4,910,985.20

Finding the Fourth Proportional to 5,129,404.40, 7,694,106.60 and 4,910,985.20

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Solution

The fourth proportional to 5,129,404.40, 7,694,106.60 and 4,910,985.20 is: 7,366,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,404.40 : 7,694,106.60 = 4,910,985.20 : x
  2. Step 2: Convert to fraction form
    5,129,404.40/7,694,106.60 = 4,910,985.20/x
  3. Step 3: Cross multiply
    5,129,404.40x = 7,694,106.60 × 4,910,985.20
  4. Step 4: Simplify right side
    5,129,404.40x = 37,785,643,639,822.32
  5. Step 5: Solve for x
    x = 37,785,643,639,822.32/5,129,404.40
  6. Step 6: Final answer
    x = 7,366,477.80

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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.