Home / 2,809,549.96-3,877,178.87-1,520,390.34

Finding the Fourth Proportional to 2,809,549.96, 3,877,178.87 and 1,520,390.34

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Solution

The fourth proportional to 2,809,549.96, 3,877,178.87 and 1,520,390.34 is: 2,098,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,549.96 : 3,877,178.87 = 1,520,390.34 : x
  2. Step 2: Convert to fraction form
    2,809,549.96/3,877,178.87 = 1,520,390.34/x
  3. Step 3: Cross multiply
    2,809,549.96x = 3,877,178.87 × 1,520,390.34
  4. Step 4: Simplify right side
    2,809,549.96x = 5,894,825,304,201.09
  5. Step 5: Solve for x
    x = 5,894,825,304,201.09/2,809,549.96
  6. Step 6: Final answer
    x = 2,098,138.63

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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.