Home / 1,787,746.80-2,681,620.20-1,591,791.60

Finding the Fourth Proportional to 1,787,746.80, 2,681,620.20 and 1,591,791.60

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Solution

The fourth proportional to 1,787,746.80, 2,681,620.20 and 1,591,791.60 is: 2,387,687.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,746.80 : 2,681,620.20 = 1,591,791.60 : x
  2. Step 2: Convert to fraction form
    1,787,746.80/2,681,620.20 = 1,591,791.60/x
  3. Step 3: Cross multiply
    1,787,746.80x = 2,681,620.20 × 1,591,791.60
  4. Step 4: Simplify right side
    1,787,746.80x = 4,268,580,508,750.32
  5. Step 5: Solve for x
    x = 4,268,580,508,750.32/1,787,746.80
  6. Step 6: Final answer
    x = 2,387,687.40

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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.