Home / 3,121,331.40-4,674,123.90-2,491,475.40

Finding the Fourth Proportional to 3,121,331.40, 4,674,123.90 and 2,491,475.40

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Solution

The fourth proportional to 3,121,331.40, 4,674,123.90 and 2,491,475.40 is: 3,730,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,331.40 : 4,674,123.90 = 2,491,475.40 : x
  2. Step 2: Convert to fraction form
    3,121,331.40/4,674,123.90 = 2,491,475.40/x
  3. Step 3: Cross multiply
    3,121,331.40x = 4,674,123.90 × 2,491,475.40
  4. Step 4: Simplify right side
    3,121,331.40x = 11,645,464,713,402.06
  5. Step 5: Solve for x
    x = 11,645,464,713,402.06/3,121,331.40
  6. Step 6: Final answer
    x = 3,730,928.64

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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.