Home / 3,136,388.60-4,704,634.49-861,898.79

Finding the Fourth Proportional to 3,136,388.60, 4,704,634.49 and 861,898.79

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Solution

The fourth proportional to 3,136,388.60, 4,704,634.49 and 861,898.79 is: 1,292,862.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,388.60 : 4,704,634.49 = 861,898.79 : x
  2. Step 2: Convert to fraction form
    3,136,388.60/4,704,634.49 = 861,898.79/x
  3. Step 3: Cross multiply
    3,136,388.60x = 4,704,634.49 × 861,898.79
  4. Step 4: Simplify right side
    3,136,388.60x = 4,054,918,746,490.60
  5. Step 5: Solve for x
    x = 4,054,918,746,490.60/3,136,388.60
  6. Step 6: Final answer
    x = 1,292,862.36

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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.