Home / 2,128,209.20-3,192,605.40-708,117.20

Finding the Fourth Proportional to 2,128,209.20, 3,192,605.40 and 708,117.20

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Solution

The fourth proportional to 2,128,209.20, 3,192,605.40 and 708,117.20 is: 1,062,272.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,209.20 : 3,192,605.40 = 708,117.20 : x
  2. Step 2: Convert to fraction form
    2,128,209.20/3,192,605.40 = 708,117.20/x
  3. Step 3: Cross multiply
    2,128,209.20x = 3,192,605.40 × 708,117.20
  4. Step 4: Simplify right side
    2,128,209.20x = 2,260,738,796,552.88
  5. Step 5: Solve for x
    x = 2,260,738,796,552.88/2,128,209.20
  6. Step 6: Final answer
    x = 1,062,272.82

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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.