Home / 2,945,247.85-4,417,871.78-2,189,420.65

Finding the Fourth Proportional to 2,945,247.85, 4,417,871.78 and 2,189,420.65

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Solution

The fourth proportional to 2,945,247.85, 4,417,871.78 and 2,189,420.65 is: 3,284,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,247.85 : 4,417,871.78 = 2,189,420.65 : x
  2. Step 2: Convert to fraction form
    2,945,247.85/4,417,871.78 = 2,189,420.65/x
  3. Step 3: Cross multiply
    2,945,247.85x = 4,417,871.78 × 2,189,420.65
  4. Step 4: Simplify right side
    2,945,247.85x = 9,672,579,693,237.15
  5. Step 5: Solve for x
    x = 9,672,579,693,237.15/2,945,247.85
  6. Step 6: Final answer
    x = 3,284,130.98

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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.