Home / 1,822,279.63-2,512,147.62-1,413,660.55

Finding the Fourth Proportional to 1,822,279.63, 2,512,147.62 and 1,413,660.55

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Solution

The fourth proportional to 1,822,279.63, 2,512,147.62 and 1,413,660.55 is: 1,948,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,822,279.63 : 2,512,147.62 = 1,413,660.55 : x
  2. Step 2: Convert to fraction form
    1,822,279.63/2,512,147.62 = 1,413,660.55/x
  3. Step 3: Cross multiply
    1,822,279.63x = 2,512,147.62 × 1,413,660.55
  4. Step 4: Simplify right side
    1,822,279.63x = 3,551,323,986,170.39
  5. Step 5: Solve for x
    x = 3,551,323,986,170.39/1,822,279.63
  6. Step 6: Final answer
    x = 1,948,835.91

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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.