Home / 2,151,481.34-2,969,053.11-1,292,055.95

Finding the Fourth Proportional to 2,151,481.34, 2,969,053.11 and 1,292,055.95

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Solution

The fourth proportional to 2,151,481.34, 2,969,053.11 and 1,292,055.95 is: 1,783,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,481.34 : 2,969,053.11 = 1,292,055.95 : x
  2. Step 2: Convert to fraction form
    2,151,481.34/2,969,053.11 = 1,292,055.95/x
  3. Step 3: Cross multiply
    2,151,481.34x = 2,969,053.11 × 1,292,055.95
  4. Step 4: Simplify right side
    2,151,481.34x = 3,836,182,744,064.14
  5. Step 5: Solve for x
    x = 3,836,182,744,064.14/2,151,481.34
  6. Step 6: Final answer
    x = 1,783,042.53

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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.