Home / 3,992,238.40-5,989,135.20-1,152,443.20

Finding the Fourth Proportional to 3,992,238.40, 5,989,135.20 and 1,152,443.20

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Solution

The fourth proportional to 3,992,238.40, 5,989,135.20 and 1,152,443.20 is: 1,728,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,992,238.40 : 5,989,135.20 = 1,152,443.20 : x
  2. Step 2: Convert to fraction form
    3,992,238.40/5,989,135.20 = 1,152,443.20/x
  3. Step 3: Cross multiply
    3,992,238.40x = 5,989,135.20 × 1,152,443.20
  4. Step 4: Simplify right side
    3,992,238.40x = 6,902,138,135,120.64
  5. Step 5: Solve for x
    x = 6,902,138,135,120.64/3,992,238.40
  6. Step 6: Final answer
    x = 1,728,889.27

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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.