Home / 2,945,115.20-4,417,672.80-2,895,348.80

Finding the Fourth Proportional to 2,945,115.20, 4,417,672.80 and 2,895,348.80

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Solution

The fourth proportional to 2,945,115.20, 4,417,672.80 and 2,895,348.80 is: 4,343,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,115.20 : 4,417,672.80 = 2,895,348.80 : x
  2. Step 2: Convert to fraction form
    2,945,115.20/4,417,672.80 = 2,895,348.80/x
  3. Step 3: Cross multiply
    2,945,115.20x = 4,417,672.80 × 2,895,348.80
  4. Step 4: Simplify right side
    2,945,115.20x = 12,790,703,640,272.64
  5. Step 5: Solve for x
    x = 12,790,703,640,272.64/2,945,115.20
  6. Step 6: Final answer
    x = 4,343,023.20

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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.