Home / 5,978,407.80-8,991,231.30-5,364,298.20

Finding the Fourth Proportional to 5,978,407.80, 8,991,231.30 and 5,364,298.20

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Solution

The fourth proportional to 5,978,407.80, 8,991,231.30 and 5,364,298.20 is: 8,067,640.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978,407.80 : 8,991,231.30 = 5,364,298.20 : x
  2. Step 2: Convert to fraction form
    5,978,407.80/8,991,231.30 = 5,364,298.20/x
  3. Step 3: Cross multiply
    5,978,407.80x = 8,991,231.30 × 5,364,298.20
  4. Step 4: Simplify right side
    5,978,407.80x = 48,231,645,878,373.66
  5. Step 5: Solve for x
    x = 48,231,645,878,373.66/5,978,407.80
  6. Step 6: Final answer
    x = 8,067,640.66

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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.