Home / 6,690,249.25-9,231,803.46-3,709,877.68

Finding the Fourth Proportional to 6,690,249.25, 9,231,803.46 and 3,709,877.68

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Solution

The fourth proportional to 6,690,249.25, 9,231,803.46 and 3,709,877.68 is: 5,119,220.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,690,249.25 : 9,231,803.46 = 3,709,877.68 : x
  2. Step 2: Convert to fraction form
    6,690,249.25/9,231,803.46 = 3,709,877.68/x
  3. Step 3: Cross multiply
    6,690,249.25x = 9,231,803.46 × 3,709,877.68
  4. Step 4: Simplify right side
    6,690,249.25x = 34,248,861,602,400.78
  5. Step 5: Solve for x
    x = 34,248,861,602,400.78/6,690,249.25
  6. Step 6: Final answer
    x = 5,119,220.57

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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.