Home / 2,760,078.60-4,140,965.04-1,413,186.87

Finding the Fourth Proportional to 2,760,078.60, 4,140,965.04 and 1,413,186.87

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Solution

The fourth proportional to 2,760,078.60, 4,140,965.04 and 1,413,186.87 is: 2,120,214.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760,078.60 : 4,140,965.04 = 1,413,186.87 : x
  2. Step 2: Convert to fraction form
    2,760,078.60/4,140,965.04 = 1,413,186.87/x
  3. Step 3: Cross multiply
    2,760,078.60x = 4,140,965.04 × 1,413,186.87
  4. Step 4: Simplify right side
    2,760,078.60x = 5,851,957,423,657.03
  5. Step 5: Solve for x
    x = 5,851,957,423,657.03/2,760,078.60
  6. Step 6: Final answer
    x = 2,120,214.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.