Home / 5,418,844.32-8,131,998.96-1,872,988.32

Finding the Fourth Proportional to 5,418,844.32, 8,131,998.96 and 1,872,988.32

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Solution

The fourth proportional to 5,418,844.32, 8,131,998.96 and 1,872,988.32 is: 2,810,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418,844.32 : 8,131,998.96 = 1,872,988.32 : x
  2. Step 2: Convert to fraction form
    5,418,844.32/8,131,998.96 = 1,872,988.32/x
  3. Step 3: Cross multiply
    5,418,844.32x = 8,131,998.96 × 1,872,988.32
  4. Step 4: Simplify right side
    5,418,844.32x = 15,231,139,070,332.15
  5. Step 5: Solve for x
    x = 15,231,139,070,332.15/5,418,844.32
  6. Step 6: Final answer
    x = 2,810,772.59

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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.