Home / 2,145,348.80-3,217,072.80-725,019.20

Finding the Fourth Proportional to 2,145,348.80, 3,217,072.80 and 725,019.20

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Solution

The fourth proportional to 2,145,348.80, 3,217,072.80 and 725,019.20 is: 1,087,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,348.80 : 3,217,072.80 = 725,019.20 : x
  2. Step 2: Convert to fraction form
    2,145,348.80/3,217,072.80 = 725,019.20/x
  3. Step 3: Cross multiply
    2,145,348.80x = 3,217,072.80 × 725,019.20
  4. Step 4: Simplify right side
    2,145,348.80x = 2,332,439,547,797.76
  5. Step 5: Solve for x
    x = 2,332,439,547,797.76/2,145,348.80
  6. Step 6: Final answer
    x = 1,087,207.61

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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.