Home / 2,726,045.70-4,080,211.20-2,123,745.90

Finding the Fourth Proportional to 2,726,045.70, 4,080,211.20 and 2,123,745.90

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Solution

The fourth proportional to 2,726,045.70, 4,080,211.20 and 2,123,745.90 is: 3,178,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726,045.70 : 4,080,211.20 = 2,123,745.90 : x
  2. Step 2: Convert to fraction form
    2,726,045.70/4,080,211.20 = 2,123,745.90/x
  3. Step 3: Cross multiply
    2,726,045.70x = 4,080,211.20 × 2,123,745.90
  4. Step 4: Simplify right side
    2,726,045.70x = 8,665,331,807,134.08
  5. Step 5: Solve for x
    x = 8,665,331,807,134.08/2,726,045.70
  6. Step 6: Final answer
    x = 3,178,718.47

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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.