Home / 5,429,044.22-8,143,561.69-1,385,531.71

Finding the Fourth Proportional to 5,429,044.22, 8,143,561.69 and 1,385,531.71

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Solution

The fourth proportional to 5,429,044.22, 8,143,561.69 and 1,385,531.71 is: 2,078,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429,044.22 : 8,143,561.69 = 1,385,531.71 : x
  2. Step 2: Convert to fraction form
    5,429,044.22/8,143,561.69 = 1,385,531.71/x
  3. Step 3: Cross multiply
    5,429,044.22x = 8,143,561.69 × 1,385,531.71
  4. Step 4: Simplify right side
    5,429,044.22x = 11,283,162,930,013.46
  5. Step 5: Solve for x
    x = 11,283,162,930,013.46/5,429,044.22
  6. Step 6: Final answer
    x = 2,078,296.38

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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.