Home / 4,277,856.45-6,417,180.15-1,399,239.57

Finding the Fourth Proportional to 4,277,856.45, 6,417,180.15 and 1,399,239.57

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Solution

The fourth proportional to 4,277,856.45, 6,417,180.15 and 1,399,239.57 is: 2,098,988.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,277,856.45 : 6,417,180.15 = 1,399,239.57 : x
  2. Step 2: Convert to fraction form
    4,277,856.45/6,417,180.15 = 1,399,239.57/x
  3. Step 3: Cross multiply
    4,277,856.45x = 6,417,180.15 × 1,399,239.57
  4. Step 4: Simplify right side
    4,277,856.45x = 8,979,172,412,515.81
  5. Step 5: Solve for x
    x = 8,979,172,412,515.81/4,277,856.45
  6. Step 6: Final answer
    x = 2,098,988.71

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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.