Home / 3,087,131.80-4,643,139.30-2,763,650.20

Finding the Fourth Proportional to 3,087,131.80, 4,643,139.30 and 2,763,650.20

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Solution

The fourth proportional to 3,087,131.80, 4,643,139.30 and 2,763,650.20 is: 4,156,613.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,087,131.80 : 4,643,139.30 = 2,763,650.20 : x
  2. Step 2: Convert to fraction form
    3,087,131.80/4,643,139.30 = 2,763,650.20/x
  3. Step 3: Cross multiply
    3,087,131.80x = 4,643,139.30 × 2,763,650.20
  4. Step 4: Simplify right side
    3,087,131.80x = 12,832,012,855,072.86
  5. Step 5: Solve for x
    x = 12,832,012,855,072.86/3,087,131.80
  6. Step 6: Final answer
    x = 4,156,613.22

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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.