Home / 2,115,180.08-2,918,982.43-1,148,309.61

Finding the Fourth Proportional to 2,115,180.08, 2,918,982.43 and 1,148,309.61

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Solution

The fourth proportional to 2,115,180.08, 2,918,982.43 and 1,148,309.61 is: 1,584,685.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,180.08 : 2,918,982.43 = 1,148,309.61 : x
  2. Step 2: Convert to fraction form
    2,115,180.08/2,918,982.43 = 1,148,309.61/x
  3. Step 3: Cross multiply
    2,115,180.08x = 2,918,982.43 × 1,148,309.61
  4. Step 4: Simplify right side
    2,115,180.08x = 3,351,895,575,790.15
  5. Step 5: Solve for x
    x = 3,351,895,575,790.15/2,115,180.08
  6. Step 6: Final answer
    x = 1,584,685.68

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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.