Home / 5,057,661.28-6,980,113.56-3,098,839.36

Finding the Fourth Proportional to 5,057,661.28, 6,980,113.56 and 3,098,839.36

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Solution

The fourth proportional to 5,057,661.28, 6,980,113.56 and 3,098,839.36 is: 4,276,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057,661.28 : 6,980,113.56 = 3,098,839.36 : x
  2. Step 2: Convert to fraction form
    5,057,661.28/6,980,113.56 = 3,098,839.36/x
  3. Step 3: Cross multiply
    5,057,661.28x = 6,980,113.56 × 3,098,839.36
  4. Step 4: Simplify right side
    5,057,661.28x = 21,630,250,636,997.72
  5. Step 5: Solve for x
    x = 21,630,250,636,997.72/5,057,661.28
  6. Step 6: Final answer
    x = 4,276,729.78

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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.