Home / 2,087,207.32-3,128,625.84-873,479.35

Finding the Fourth Proportional to 2,087,207.32, 3,128,625.84 and 873,479.35

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Solution

The fourth proportional to 2,087,207.32, 3,128,625.84 and 873,479.35 is: 1,309,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,207.32 : 3,128,625.84 = 873,479.35 : x
  2. Step 2: Convert to fraction form
    2,087,207.32/3,128,625.84 = 873,479.35/x
  3. Step 3: Cross multiply
    2,087,207.32x = 3,128,625.84 × 873,479.35
  4. Step 4: Simplify right side
    2,087,207.32x = 2,732,790,049,473.27
  5. Step 5: Solve for x
    x = 2,732,790,049,473.27/2,087,207.32
  6. Step 6: Final answer
    x = 1,309,304.55

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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.