Home / 5,401,687.80-7,454,523.21-3,078,930.81

Finding the Fourth Proportional to 5,401,687.80, 7,454,523.21 and 3,078,930.81

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Solution

The fourth proportional to 5,401,687.80, 7,454,523.21 and 3,078,930.81 is: 4,249,035.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,401,687.80 : 7,454,523.21 = 3,078,930.81 : x
  2. Step 2: Convert to fraction form
    5,401,687.80/7,454,523.21 = 3,078,930.81/x
  3. Step 3: Cross multiply
    5,401,687.80x = 7,454,523.21 × 3,078,930.81
  4. Step 4: Simplify right side
    5,401,687.80x = 22,951,961,185,129.10
  5. Step 5: Solve for x
    x = 22,951,961,185,129.10/5,401,687.80
  6. Step 6: Final answer
    x = 4,249,035.12

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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.