Home / 3,207,822.85-4,811,395.29-1,690,897.78

Finding the Fourth Proportional to 3,207,822.85, 4,811,395.29 and 1,690,897.78

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Solution

The fourth proportional to 3,207,822.85, 4,811,395.29 and 1,690,897.78 is: 2,536,167.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,822.85 : 4,811,395.29 = 1,690,897.78 : x
  2. Step 2: Convert to fraction form
    3,207,822.85/4,811,395.29 = 1,690,897.78/x
  3. Step 3: Cross multiply
    3,207,822.85x = 4,811,395.29 × 1,690,897.78
  4. Step 4: Simplify right side
    3,207,822.85x = 8,135,577,614,563.46
  5. Step 5: Solve for x
    x = 8,135,577,614,563.46/3,207,822.85
  6. Step 6: Final answer
    x = 2,536,167.99

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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.