Home / 3,382,555.88-5,074,680.52-986,400.76

Finding the Fourth Proportional to 3,382,555.88, 5,074,680.52 and 986,400.76

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Solution

The fourth proportional to 3,382,555.88, 5,074,680.52 and 986,400.76 is: 1,479,848.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382,555.88 : 5,074,680.52 = 986,400.76 : x
  2. Step 2: Convert to fraction form
    3,382,555.88/5,074,680.52 = 986,400.76/x
  3. Step 3: Cross multiply
    3,382,555.88x = 5,074,680.52 × 986,400.76
  4. Step 4: Simplify right side
    3,382,555.88x = 5,005,668,721,685.19
  5. Step 5: Solve for x
    x = 5,005,668,721,685.19/3,382,555.88
  6. Step 6: Final answer
    x = 1,479,848.05

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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.