Home / 6,622,571.52-9,928,499.52-2,071,278.72

Finding the Fourth Proportional to 6,622,571.52, 9,928,499.52 and 2,071,278.72

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Solution

The fourth proportional to 6,622,571.52, 9,928,499.52 and 2,071,278.72 is: 3,105,242.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622,571.52 : 9,928,499.52 = 2,071,278.72 : x
  2. Step 2: Convert to fraction form
    6,622,571.52/9,928,499.52 = 2,071,278.72/x
  3. Step 3: Cross multiply
    6,622,571.52x = 9,928,499.52 × 2,071,278.72
  4. Step 4: Simplify right side
    6,622,571.52x = 20,564,689,777,306.21
  5. Step 5: Solve for x
    x = 20,564,689,777,306.21/6,622,571.52
  6. Step 6: Final answer
    x = 3,105,242.38

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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.