Home / 5,429,044.62-8,143,562.29-1,385,532.11

Finding the Fourth Proportional to 5,429,044.62, 8,143,562.29 and 1,385,532.11

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Solution

The fourth proportional to 5,429,044.62, 8,143,562.29 and 1,385,532.11 is: 2,078,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,044.62 : 8,143,562.29 = 1,385,532.11 : x
  2. Step 2: Convert to fraction form
    5,429,044.62/8,143,562.29 = 1,385,532.11/x
  3. Step 3: Cross multiply
    5,429,044.62x = 8,143,562.29 × 1,385,532.11
  4. Step 4: Simplify right side
    5,429,044.62x = 11,283,167,034,132.59
  5. Step 5: Solve for x
    x = 11,283,167,034,132.59/5,429,044.62
  6. Step 6: Final answer
    x = 2,078,296.98

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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.