Home / 6,147,997.80-9,221,996.70-1,887,612.45

Finding the Fourth Proportional to 6,147,997.80, 9,221,996.70 and 1,887,612.45

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Solution

The fourth proportional to 6,147,997.80, 9,221,996.70 and 1,887,612.45 is: 2,831,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147,997.80 : 9,221,996.70 = 1,887,612.45 : x
  2. Step 2: Convert to fraction form
    6,147,997.80/9,221,996.70 = 1,887,612.45/x
  3. Step 3: Cross multiply
    6,147,997.80x = 9,221,996.70 × 1,887,612.45
  4. Step 4: Simplify right side
    6,147,997.80x = 17,407,555,784,778.91
  5. Step 5: Solve for x
    x = 17,407,555,784,778.91/6,147,997.80
  6. Step 6: Final answer
    x = 2,831,418.68

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Similar ratio
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1.5x scale

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.