Home / 2,187,891.28-3,281,844.70-671,574.32

Finding the Fourth Proportional to 2,187,891.28, 3,281,844.70 and 671,574.32

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Solution

The fourth proportional to 2,187,891.28, 3,281,844.70 and 671,574.32 is: 1,007,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,891.28 : 3,281,844.70 = 671,574.32 : x
  2. Step 2: Convert to fraction form
    2,187,891.28/3,281,844.70 = 671,574.32/x
  3. Step 3: Cross multiply
    2,187,891.28x = 3,281,844.70 × 671,574.32
  4. Step 4: Simplify right side
    2,187,891.28x = 2,204,002,610,255.08
  5. Step 5: Solve for x
    x = 2,204,002,610,255.08/2,187,891.28
  6. Step 6: Final answer
    x = 1,007,363.86

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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.