Home / 4,885,404.07-7,328,168.47-1,291,139.97

Finding the Fourth Proportional to 4,885,404.07, 7,328,168.47 and 1,291,139.97

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Solution

The fourth proportional to 4,885,404.07, 7,328,168.47 and 1,291,139.97 is: 1,936,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,404.07 : 7,328,168.47 = 1,291,139.97 : x
  2. Step 2: Convert to fraction form
    4,885,404.07/7,328,168.47 = 1,291,139.97/x
  3. Step 3: Cross multiply
    4,885,404.07x = 7,328,168.47 × 1,291,139.97
  4. Step 4: Simplify right side
    4,885,404.07x = 9,461,691,175,414.21
  5. Step 5: Solve for x
    x = 9,461,691,175,414.21/4,885,404.07
  6. Step 6: Final answer
    x = 1,936,726.43

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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.