Home / 3,143,139.80-4,707,711.30-2,723,235.80

Finding the Fourth Proportional to 3,143,139.80, 4,707,711.30 and 2,723,235.80

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Solution

The fourth proportional to 3,143,139.80, 4,707,711.30 and 2,723,235.80 is: 4,078,790.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,139.80 : 4,707,711.30 = 2,723,235.80 : x
  2. Step 2: Convert to fraction form
    3,143,139.80/4,707,711.30 = 2,723,235.80/x
  3. Step 3: Cross multiply
    3,143,139.80x = 4,707,711.30 × 2,723,235.80
  4. Step 4: Simplify right side
    3,143,139.80x = 12,820,207,948,224.54
  5. Step 5: Solve for x
    x = 12,820,207,948,224.54/3,143,139.80
  6. Step 6: Final answer
    x = 4,078,790.24

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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.