Home / 3,471,028.80-5,206,543.20-912,238.80

Finding the Fourth Proportional to 3,471,028.80, 5,206,543.20 and 912,238.80

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Solution

The fourth proportional to 3,471,028.80, 5,206,543.20 and 912,238.80 is: 1,368,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,471,028.80 : 5,206,543.20 = 912,238.80 : x
  2. Step 2: Convert to fraction form
    3,471,028.80/5,206,543.20 = 912,238.80/x
  3. Step 3: Cross multiply
    3,471,028.80x = 5,206,543.20 × 912,238.80
  4. Step 4: Simplify right side
    3,471,028.80x = 4,749,610,720,916.16
  5. Step 5: Solve for x
    x = 4,749,610,720,916.16/3,471,028.80
  6. Step 6: Final answer
    x = 1,368,358.20

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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.