Home / 6,442,738.02-8,891,039.25-3,542,149.08

Finding the Fourth Proportional to 6,442,738.02, 8,891,039.25 and 3,542,149.08

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Solution

The fourth proportional to 6,442,738.02, 8,891,039.25 and 3,542,149.08 is: 4,888,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,738.02 : 8,891,039.25 = 3,542,149.08 : x
  2. Step 2: Convert to fraction form
    6,442,738.02/8,891,039.25 = 3,542,149.08/x
  3. Step 3: Cross multiply
    6,442,738.02x = 8,891,039.25 × 3,542,149.08
  4. Step 4: Simplify right side
    6,442,738.02x = 31,493,386,499,631.39
  5. Step 5: Solve for x
    x = 31,493,386,499,631.39/6,442,738.02
  6. Step 6: Final answer
    x = 4,888,199.15

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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.