Home / 4,581,513.71-6,861,807.79-2,187,039.86

Finding the Fourth Proportional to 4,581,513.71, 6,861,807.79 and 2,187,039.86

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Solution

The fourth proportional to 4,581,513.71, 6,861,807.79 and 2,187,039.86 is: 3,275,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581,513.71 : 6,861,807.79 = 2,187,039.86 : x
  2. Step 2: Convert to fraction form
    4,581,513.71/6,861,807.79 = 2,187,039.86/x
  3. Step 3: Cross multiply
    4,581,513.71x = 6,861,807.79 × 2,187,039.86
  4. Step 4: Simplify right side
    4,581,513.71x = 15,007,047,146,645.75
  5. Step 5: Solve for x
    x = 15,007,047,146,645.75/4,581,513.71
  6. Step 6: Final answer
    x = 3,275,565.26

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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.