Home / 5,631,212.20-7,777,488.02-3,817,226.92

Finding the Fourth Proportional to 5,631,212.20, 7,777,488.02 and 3,817,226.92

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Solution

The fourth proportional to 5,631,212.20, 7,777,488.02 and 3,817,226.92 is: 5,272,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,212.20 : 7,777,488.02 = 3,817,226.92 : x
  2. Step 2: Convert to fraction form
    5,631,212.20/7,777,488.02 = 3,817,226.92/x
  3. Step 3: Cross multiply
    5,631,212.20x = 7,777,488.02 × 3,817,226.92
  4. Step 4: Simplify right side
    5,631,212.20x = 29,688,436,581,947.92
  5. Step 5: Solve for x
    x = 29,688,436,581,947.92/5,631,212.20
  6. Step 6: Final answer
    x = 5,272,121.80

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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.