Home / 2,877,391.20-4,310,400.60-1,867,215.90

Finding the Fourth Proportional to 2,877,391.20, 4,310,400.60 and 1,867,215.90

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Solution

The fourth proportional to 2,877,391.20, 4,310,400.60 and 1,867,215.90 is: 2,797,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,391.20 : 4,310,400.60 = 1,867,215.90 : x
  2. Step 2: Convert to fraction form
    2,877,391.20/4,310,400.60 = 1,867,215.90/x
  3. Step 3: Cross multiply
    2,877,391.20x = 4,310,400.60 × 1,867,215.90
  4. Step 4: Simplify right side
    2,877,391.20x = 8,048,448,535,689.54
  5. Step 5: Solve for x
    x = 8,048,448,535,689.54/2,877,391.20
  6. Step 6: Final answer
    x = 2,797,133.92

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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.