Home / 2,945,243.10-4,417,864.65-2,189,415.90

Finding the Fourth Proportional to 2,945,243.10, 4,417,864.65 and 2,189,415.90

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Solution

The fourth proportional to 2,945,243.10, 4,417,864.65 and 2,189,415.90 is: 3,284,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,243.10 : 4,417,864.65 = 2,189,415.90 : x
  2. Step 2: Convert to fraction form
    2,945,243.10/4,417,864.65 = 2,189,415.90/x
  3. Step 3: Cross multiply
    2,945,243.10x = 4,417,864.65 × 2,189,415.90
  4. Step 4: Simplify right side
    2,945,243.10x = 9,672,543,108,757.94
  5. Step 5: Solve for x
    x = 9,672,543,108,757.94/2,945,243.10
  6. Step 6: Final answer
    x = 3,284,123.85

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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.