Home / 3,013,692.88-4,520,042.52-991,963.12

Finding the Fourth Proportional to 3,013,692.88, 4,520,042.52 and 991,963.12

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Solution

The fourth proportional to 3,013,692.88, 4,520,042.52 and 991,963.12 is: 1,487,781.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013,692.88 : 4,520,042.52 = 991,963.12 : x
  2. Step 2: Convert to fraction form
    3,013,692.88/4,520,042.52 = 991,963.12/x
  3. Step 3: Cross multiply
    3,013,692.88x = 4,520,042.52 × 991,963.12
  4. Step 4: Simplify right side
    3,013,692.88x = 4,483,715,480,671.86
  5. Step 5: Solve for x
    x = 4,483,715,480,671.86/3,013,692.88
  6. Step 6: Final answer
    x = 1,487,781.16

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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.