Home / 2,138,822.70-3,208,234.05-718,406.70

Finding the Fourth Proportional to 2,138,822.70, 3,208,234.05 and 718,406.70

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Solution

The fourth proportional to 2,138,822.70, 3,208,234.05 and 718,406.70 is: 1,077,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,822.70 : 3,208,234.05 = 718,406.70 : x
  2. Step 2: Convert to fraction form
    2,138,822.70/3,208,234.05 = 718,406.70/x
  3. Step 3: Cross multiply
    2,138,822.70x = 3,208,234.05 × 718,406.70
  4. Step 4: Simplify right side
    2,138,822.70x = 2,304,816,836,688.13
  5. Step 5: Solve for x
    x = 2,304,816,836,688.13/2,138,822.70
  6. Step 6: Final answer
    x = 1,077,610.05

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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.