Home / 3,712,093.76-5,123,407.82-2,420,692.13

Finding the Fourth Proportional to 3,712,093.76, 5,123,407.82 and 2,420,692.13

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Solution

The fourth proportional to 3,712,093.76, 5,123,407.82 and 2,420,692.13 is: 3,341,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712,093.76 : 5,123,407.82 = 2,420,692.13 : x
  2. Step 2: Convert to fraction form
    3,712,093.76/5,123,407.82 = 2,420,692.13/x
  3. Step 3: Cross multiply
    3,712,093.76x = 5,123,407.82 × 2,420,692.13
  4. Step 4: Simplify right side
    3,712,093.76x = 12,402,192,989,359.52
  5. Step 5: Solve for x
    x = 12,402,192,989,359.52/3,712,093.76
  6. Step 6: Final answer
    x = 3,341,023.63

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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.