Home / 6,120,478.20-9,172,844.10-3,721,776.60

Finding the Fourth Proportional to 6,120,478.20, 9,172,844.10 and 3,721,776.60

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Solution

The fourth proportional to 6,120,478.20, 9,172,844.10 and 3,721,776.60 is: 5,577,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120,478.20 : 9,172,844.10 = 3,721,776.60 : x
  2. Step 2: Convert to fraction form
    6,120,478.20/9,172,844.10 = 3,721,776.60/x
  3. Step 3: Cross multiply
    6,120,478.20x = 9,172,844.10 × 3,721,776.60
  4. Step 4: Simplify right side
    6,120,478.20x = 34,139,276,526,828.06
  5. Step 5: Solve for x
    x = 34,139,276,526,828.06/6,120,478.20
  6. Step 6: Final answer
    x = 5,577,877.32

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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.