Home / 3,382,555.37-5,074,679.78-986,400.28

Finding the Fourth Proportional to 3,382,555.37, 5,074,679.78 and 986,400.28

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Solution

The fourth proportional to 3,382,555.37, 5,074,679.78 and 986,400.28 is: 1,479,847.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382,555.37 : 5,074,679.78 = 986,400.28 : x
  2. Step 2: Convert to fraction form
    3,382,555.37/5,074,679.78 = 986,400.28/x
  3. Step 3: Cross multiply
    3,382,555.37x = 5,074,679.78 × 986,400.28
  4. Step 4: Simplify right side
    3,382,555.37x = 5,005,665,555,902.34
  5. Step 5: Solve for x
    x = 5,005,665,555,902.34/3,382,555.37
  6. Step 6: Final answer
    x = 1,479,847.34

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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.