Home / 2,488,220.80-3,732,331.20-993,385.60

Finding the Fourth Proportional to 2,488,220.80, 3,732,331.20 and 993,385.60

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Solution

The fourth proportional to 2,488,220.80, 3,732,331.20 and 993,385.60 is: 1,490,078.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,488,220.80 : 3,732,331.20 = 993,385.60 : x
  2. Step 2: Convert to fraction form
    2,488,220.80/3,732,331.20 = 993,385.60/x
  3. Step 3: Cross multiply
    2,488,220.80x = 3,732,331.20 × 993,385.60
  4. Step 4: Simplify right side
    2,488,220.80x = 3,707,644,068,510.72
  5. Step 5: Solve for x
    x = 3,707,644,068,510.72/2,488,220.80
  6. Step 6: Final answer
    x = 1,490,078.40

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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.