Home / 2,784,684.28-4,177,029.64-762,945.74

Finding the Fourth Proportional to 2,784,684.28, 4,177,029.64 and 762,945.74

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Solution

The fourth proportional to 2,784,684.28, 4,177,029.64 and 762,945.74 is: 1,144,419.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784,684.28 : 4,177,029.64 = 762,945.74 : x
  2. Step 2: Convert to fraction form
    2,784,684.28/4,177,029.64 = 762,945.74/x
  3. Step 3: Cross multiply
    2,784,684.28x = 4,177,029.64 × 762,945.74
  4. Step 4: Simplify right side
    2,784,684.28x = 3,186,846,969,691.73
  5. Step 5: Solve for x
    x = 3,186,846,969,691.73/2,784,684.28
  6. Step 6: Final answer
    x = 1,144,419.49

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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.