Home / 2,661,295.61-3,991,885.97-742,155.72

Finding the Fourth Proportional to 2,661,295.61, 3,991,885.97 and 742,155.72

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Solution

The fourth proportional to 2,661,295.61, 3,991,885.97 and 742,155.72 is: 1,113,217.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,295.61 : 3,991,885.97 = 742,155.72 : x
  2. Step 2: Convert to fraction form
    2,661,295.61/3,991,885.97 = 742,155.72/x
  3. Step 3: Cross multiply
    2,661,295.61x = 3,991,885.97 × 742,155.72
  4. Step 4: Simplify right side
    2,661,295.61x = 2,962,601,002,512.47
  5. Step 5: Solve for x
    x = 2,962,601,002,512.47/2,661,295.61
  6. Step 6: Final answer
    x = 1,113,217.56

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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.