Home / 2,376,129.76-3,279,055.56-1,288,399.36

Finding the Fourth Proportional to 2,376,129.76, 3,279,055.56 and 1,288,399.36

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Solution

The fourth proportional to 2,376,129.76, 3,279,055.56 and 1,288,399.36 is: 1,777,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376,129.76 : 3,279,055.56 = 1,288,399.36 : x
  2. Step 2: Convert to fraction form
    2,376,129.76/3,279,055.56 = 1,288,399.36/x
  3. Step 3: Cross multiply
    2,376,129.76x = 3,279,055.56 × 1,288,399.36
  4. Step 4: Simplify right side
    2,376,129.76x = 4,224,733,084,908.44
  5. Step 5: Solve for x
    x = 4,224,733,084,908.44/2,376,129.76
  6. Step 6: Final answer
    x = 1,777,989.21

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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.