Home / 2,131,781.35-2,941,732.86-1,164,719.11

Finding the Fourth Proportional to 2,131,781.35, 2,941,732.86 and 1,164,719.11

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Solution

The fourth proportional to 2,131,781.35, 2,941,732.86 and 1,164,719.11 is: 1,607,243.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,781.35 : 2,941,732.86 = 1,164,719.11 : x
  2. Step 2: Convert to fraction form
    2,131,781.35/2,941,732.86 = 1,164,719.11/x
  3. Step 3: Cross multiply
    2,131,781.35x = 2,941,732.86 × 1,164,719.11
  4. Step 4: Simplify right side
    2,131,781.35x = 3,426,292,478,556.95
  5. Step 5: Solve for x
    x = 3,426,292,478,556.95/2,131,781.35
  6. Step 6: Final answer
    x = 1,607,243.86

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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.