Home / 2,135,037.90-2,946,279-1,217,562.33

Finding the Fourth Proportional to 2,135,037.90, 2,946,279 and 1,217,562.33

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Solution

The fourth proportional to 2,135,037.90, 2,946,279 and 1,217,562.33 is: 1,680,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135,037.90 : 2,946,279 = 1,217,562.33 : x
  2. Step 2: Convert to fraction form
    2,135,037.90/2,946,279 = 1,217,562.33/x
  3. Step 3: Cross multiply
    2,135,037.90x = 2,946,279 × 1,217,562.33
  4. Step 4: Simplify right side
    2,135,037.90x = 3,587,278,324,070.07
  5. Step 5: Solve for x
    x = 3,587,278,324,070.07/2,135,037.90
  6. Step 6: Final answer
    x = 1,680,194.21

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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.