Home / 2,279,023.44-3,146,020.76-1,420,008.11

Finding the Fourth Proportional to 2,279,023.44, 3,146,020.76 and 1,420,008.11

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Solution

The fourth proportional to 2,279,023.44, 3,146,020.76 and 1,420,008.11 is: 1,960,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,023.44 : 3,146,020.76 = 1,420,008.11 : x
  2. Step 2: Convert to fraction form
    2,279,023.44/3,146,020.76 = 1,420,008.11/x
  3. Step 3: Cross multiply
    2,279,023.44x = 3,146,020.76 × 1,420,008.11
  4. Step 4: Simplify right side
    2,279,023.44x = 4,467,374,993,045.86
  5. Step 5: Solve for x
    x = 4,467,374,993,045.86/2,279,023.44
  6. Step 6: Final answer
    x = 1,960,214.59

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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.