Home / 6,120,490.20-9,172,862.10-3,721,788.60

Finding the Fourth Proportional to 6,120,490.20, 9,172,862.10 and 3,721,788.60

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Solution

The fourth proportional to 6,120,490.20, 9,172,862.10 and 3,721,788.60 is: 5,577,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,490.20 : 9,172,862.10 = 3,721,788.60 : x
  2. Step 2: Convert to fraction form
    6,120,490.20/9,172,862.10 = 3,721,788.60/x
  3. Step 3: Cross multiply
    6,120,490.20x = 9,172,862.10 × 3,721,788.60
  4. Step 4: Simplify right side
    6,120,490.20x = 34,139,453,593,152.06
  5. Step 5: Solve for x
    x = 34,139,453,593,152.06/6,120,490.20
  6. Step 6: Final answer
    x = 5,577,895.31

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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.