Home / 3,437,981.76-5,156,974.08-1,307,573.76

Finding the Fourth Proportional to 3,437,981.76, 5,156,974.08 and 1,307,573.76

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Solution

The fourth proportional to 3,437,981.76, 5,156,974.08 and 1,307,573.76 is: 1,961,361.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,981.76 : 5,156,974.08 = 1,307,573.76 : x
  2. Step 2: Convert to fraction form
    3,437,981.76/5,156,974.08 = 1,307,573.76/x
  3. Step 3: Cross multiply
    3,437,981.76x = 5,156,974.08 × 1,307,573.76
  4. Step 4: Simplify right side
    3,437,981.76x = 6,743,123,988,008.14
  5. Step 5: Solve for x
    x = 6,743,123,988,008.14/3,437,981.76
  6. Step 6: Final answer
    x = 1,961,361.19

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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.