Home / 2,729,078.80-4,093,618.20-1,719,340.90

Finding the Fourth Proportional to 2,729,078.80, 4,093,618.20 and 1,719,340.90

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Solution

The fourth proportional to 2,729,078.80, 4,093,618.20 and 1,719,340.90 is: 2,579,011.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,729,078.80 : 4,093,618.20 = 1,719,340.90 : x
  2. Step 2: Convert to fraction form
    2,729,078.80/4,093,618.20 = 1,719,340.90/x
  3. Step 3: Cross multiply
    2,729,078.80x = 4,093,618.20 × 1,719,340.90
  4. Step 4: Simplify right side
    2,729,078.80x = 7,038,325,200,244.38
  5. Step 5: Solve for x
    x = 7,038,325,200,244.38/2,729,078.80
  6. Step 6: Final answer
    x = 2,579,011.35

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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.