Home / 5,356,139.74-7,392,545.67-3,181,890.76

Finding the Fourth Proportional to 5,356,139.74, 7,392,545.67 and 3,181,890.76

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Solution

The fourth proportional to 5,356,139.74, 7,392,545.67 and 3,181,890.76 is: 4,391,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356,139.74 : 7,392,545.67 = 3,181,890.76 : x
  2. Step 2: Convert to fraction form
    5,356,139.74/7,392,545.67 = 3,181,890.76/x
  3. Step 3: Cross multiply
    5,356,139.74x = 7,392,545.67 × 3,181,890.76
  4. Step 4: Simplify right side
    5,356,139.74x = 23,522,272,760,251.01
  5. Step 5: Solve for x
    x = 23,522,272,760,251.01/5,356,139.74
  6. Step 6: Final answer
    x = 4,391,646.58

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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.