Home / 2,912,857.68-4,369,280.13-782,941.80

Finding the Fourth Proportional to 2,912,857.68, 4,369,280.13 and 782,941.80

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Solution

The fourth proportional to 2,912,857.68, 4,369,280.13 and 782,941.80 is: 1,174,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,857.68 : 4,369,280.13 = 782,941.80 : x
  2. Step 2: Convert to fraction form
    2,912,857.68/4,369,280.13 = 782,941.80/x
  3. Step 3: Cross multiply
    2,912,857.68x = 4,369,280.13 × 782,941.80
  4. Step 4: Simplify right side
    2,912,857.68x = 3,420,892,049,686.43
  5. Step 5: Solve for x
    x = 3,420,892,049,686.43/2,912,857.68
  6. Step 6: Final answer
    x = 1,174,410.98

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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.