Home / 2,279,174.76-3,145,343.40-1,260,586.80

Finding the Fourth Proportional to 2,279,174.76, 3,145,343.40 and 1,260,586.80

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Solution

The fourth proportional to 2,279,174.76, 3,145,343.40 and 1,260,586.80 is: 1,739,655.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,174.76 : 3,145,343.40 = 1,260,586.80 : x
  2. Step 2: Convert to fraction form
    2,279,174.76/3,145,343.40 = 1,260,586.80/x
  3. Step 3: Cross multiply
    2,279,174.76x = 3,145,343.40 × 1,260,586.80
  4. Step 4: Simplify right side
    2,279,174.76x = 3,964,978,371,507.12
  5. Step 5: Solve for x
    x = 3,964,978,371,507.12/2,279,174.76
  6. Step 6: Final answer
    x = 1,739,655.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.