Home / 2,652,231.24-3,978,374.61-2,123,115.72

Finding the Fourth Proportional to 2,652,231.24, 3,978,374.61 and 2,123,115.72

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Solution

The fourth proportional to 2,652,231.24, 3,978,374.61 and 2,123,115.72 is: 3,184,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652,231.24 : 3,978,374.61 = 2,123,115.72 : x
  2. Step 2: Convert to fraction form
    2,652,231.24/3,978,374.61 = 2,123,115.72/x
  3. Step 3: Cross multiply
    2,652,231.24x = 3,978,374.61 × 2,123,115.72
  4. Step 4: Simplify right side
    2,652,231.24x = 8,446,549,674,539.87
  5. Step 5: Solve for x
    x = 8,446,549,674,539.87/2,652,231.24
  6. Step 6: Final answer
    x = 3,184,695.79

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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.