Home / 3,207,142.50-4,425,857.84-1,756,890.20

Finding the Fourth Proportional to 3,207,142.50, 4,425,857.84 and 1,756,890.20

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Solution

The fourth proportional to 3,207,142.50, 4,425,857.84 and 1,756,890.20 is: 2,424,509.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207,142.50 : 4,425,857.84 = 1,756,890.20 : x
  2. Step 2: Convert to fraction form
    3,207,142.50/4,425,857.84 = 1,756,890.20/x
  3. Step 3: Cross multiply
    3,207,142.50x = 4,425,857.84 × 1,756,890.20
  4. Step 4: Simplify right side
    3,207,142.50x = 7,775,746,265,689.17
  5. Step 5: Solve for x
    x = 7,775,746,265,689.17/3,207,142.50
  6. Step 6: Final answer
    x = 2,424,509.13

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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.