Home / 3,317,887.24-4,977,186.20-921,738.76

Finding the Fourth Proportional to 3,317,887.24, 4,977,186.20 and 921,738.76

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Solution

The fourth proportional to 3,317,887.24, 4,977,186.20 and 921,738.76 is: 1,382,706.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,887.24 : 4,977,186.20 = 921,738.76 : x
  2. Step 2: Convert to fraction form
    3,317,887.24/4,977,186.20 = 921,738.76/x
  3. Step 3: Cross multiply
    3,317,887.24x = 4,977,186.20 × 921,738.76
  4. Step 4: Simplify right side
    3,317,887.24x = 4,587,665,436,277.11
  5. Step 5: Solve for x
    x = 4,587,665,436,277.11/3,317,887.24
  6. Step 6: Final answer
    x = 1,382,706.86

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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.