Home / 2,376,426.26-3,279,469.16-1,288,697.56

Finding the Fourth Proportional to 2,376,426.26, 3,279,469.16 and 1,288,697.56

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Solution

The fourth proportional to 2,376,426.26, 3,279,469.16 and 1,288,697.56 is: 1,778,403.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,426.26 : 3,279,469.16 = 1,288,697.56 : x
  2. Step 2: Convert to fraction form
    2,376,426.26/3,279,469.16 = 1,288,697.56/x
  3. Step 3: Cross multiply
    2,376,426.26x = 3,279,469.16 × 1,288,697.56
  4. Step 4: Simplify right side
    2,376,426.26x = 4,226,243,904,587.25
  5. Step 5: Solve for x
    x = 4,226,243,904,587.25/2,376,426.26
  6. Step 6: Final answer
    x = 1,778,403.13

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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.