Home / 2,128,995.17-3,192,311.24-708,275.69

Finding the Fourth Proportional to 2,128,995.17, 3,192,311.24 and 708,275.69

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Solution

The fourth proportional to 2,128,995.17, 3,192,311.24 and 708,275.69 is: 1,062,020.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,995.17 : 3,192,311.24 = 708,275.69 : x
  2. Step 2: Convert to fraction form
    2,128,995.17/3,192,311.24 = 708,275.69/x
  3. Step 3: Cross multiply
    2,128,995.17x = 3,192,311.24 × 708,275.69
  4. Step 4: Simplify right side
    2,128,995.17x = 2,261,036,442,664.38
  5. Step 5: Solve for x
    x = 2,261,036,442,664.38/2,128,995.17
  6. Step 6: Final answer
    x = 1,062,020.47

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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.