Home / 2,809,719.80-3,877,425.69-1,520,560.39

Finding the Fourth Proportional to 2,809,719.80, 3,877,425.69 and 1,520,560.39

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Solution

The fourth proportional to 2,809,719.80, 3,877,425.69 and 1,520,560.39 is: 2,098,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,719.80 : 3,877,425.69 = 1,520,560.39 : x
  2. Step 2: Convert to fraction form
    2,809,719.80/3,877,425.69 = 1,520,560.39/x
  3. Step 3: Cross multiply
    2,809,719.80x = 3,877,425.69 × 1,520,560.39
  4. Step 4: Simplify right side
    2,809,719.80x = 5,895,859,899,995.29
  5. Step 5: Solve for x
    x = 5,895,859,899,995.29/2,809,719.80
  6. Step 6: Final answer
    x = 2,098,380.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.