Home / 3,948,178.89-5,448,488.67-2,137,342.89

Finding the Fourth Proportional to 3,948,178.89, 5,448,488.67 and 2,137,342.89

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Solution

The fourth proportional to 3,948,178.89, 5,448,488.67 and 2,137,342.89 is: 2,949,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,178.89 : 5,448,488.67 = 2,137,342.89 : x
  2. Step 2: Convert to fraction form
    3,948,178.89/5,448,488.67 = 2,137,342.89/x
  3. Step 3: Cross multiply
    3,948,178.89x = 5,448,488.67 × 2,137,342.89
  4. Step 4: Simplify right side
    3,948,178.89x = 11,645,288,520,070.06
  5. Step 5: Solve for x
    x = 11,645,288,520,070.06/3,948,178.89
  6. Step 6: Final answer
    x = 2,949,534.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.