Home / 5,479,135.12-7,561,845.13-3,187,392.40

Finding the Fourth Proportional to 5,479,135.12, 7,561,845.13 and 3,187,392.40

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Solution

The fourth proportional to 5,479,135.12, 7,561,845.13 and 3,187,392.40 is: 4,398,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,135.12 : 7,561,845.13 = 3,187,392.40 : x
  2. Step 2: Convert to fraction form
    5,479,135.12/7,561,845.13 = 3,187,392.40/x
  3. Step 3: Cross multiply
    5,479,135.12x = 7,561,845.13 × 3,187,392.40
  4. Step 4: Simplify right side
    5,479,135.12x = 24,102,567,659,529.79
  5. Step 5: Solve for x
    x = 24,102,567,659,529.79/5,479,135.12
  6. Step 6: Final answer
    x = 4,398,973.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.