Home / 3,912,021.56-5,398,598.22-2,280,305.72

Finding the Fourth Proportional to 3,912,021.56, 5,398,598.22 and 2,280,305.72

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Solution

The fourth proportional to 3,912,021.56, 5,398,598.22 and 2,280,305.72 is: 3,146,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,021.56 : 5,398,598.22 = 2,280,305.72 : x
  2. Step 2: Convert to fraction form
    3,912,021.56/5,398,598.22 = 2,280,305.72/x
  3. Step 3: Cross multiply
    3,912,021.56x = 5,398,598.22 × 2,280,305.72
  4. Step 4: Simplify right side
    3,912,021.56x = 12,310,454,401,047.82
  5. Step 5: Solve for x
    x = 12,310,454,401,047.82/3,912,021.56
  6. Step 6: Final answer
    x = 3,146,826.83

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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.