Home / 2,912,471.40-4,368,007.26-1,491,796.20

Finding the Fourth Proportional to 2,912,471.40, 4,368,007.26 and 1,491,796.20

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Solution

The fourth proportional to 2,912,471.40, 4,368,007.26 and 1,491,796.20 is: 2,237,335.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,471.40 : 4,368,007.26 = 1,491,796.20 : x
  2. Step 2: Convert to fraction form
    2,912,471.40/4,368,007.26 = 1,491,796.20/x
  3. Step 3: Cross multiply
    2,912,471.40x = 4,368,007.26 × 1,491,796.20
  4. Step 4: Simplify right side
    2,912,471.40x = 6,516,176,632,040.41
  5. Step 5: Solve for x
    x = 6,516,176,632,040.41/2,912,471.40
  6. Step 6: Final answer
    x = 2,237,335.84

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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.