Home / 5,421,821.16-8,132,347.26-2,543,819.88

Finding the Fourth Proportional to 5,421,821.16, 8,132,347.26 and 2,543,819.88

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Solution

The fourth proportional to 5,421,821.16, 8,132,347.26 and 2,543,819.88 is: 3,815,549.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421,821.16 : 8,132,347.26 = 2,543,819.88 : x
  2. Step 2: Convert to fraction form
    5,421,821.16/8,132,347.26 = 2,543,819.88/x
  3. Step 3: Cross multiply
    5,421,821.16x = 8,132,347.26 × 2,543,819.88
  4. Step 4: Simplify right side
    5,421,821.16x = 20,687,226,631,051.53
  5. Step 5: Solve for x
    x = 20,687,226,631,051.53/5,421,821.16
  6. Step 6: Final answer
    x = 3,815,549.43

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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.