Home / 2,077,891.20-3,115,281.60-1,132,329.60

Finding the Fourth Proportional to 2,077,891.20, 3,115,281.60 and 1,132,329.60

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Solution

The fourth proportional to 2,077,891.20, 3,115,281.60 and 1,132,329.60 is: 1,697,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,891.20 : 3,115,281.60 = 1,132,329.60 : x
  2. Step 2: Convert to fraction form
    2,077,891.20/3,115,281.60 = 1,132,329.60/x
  3. Step 3: Cross multiply
    2,077,891.20x = 3,115,281.60 × 1,132,329.60
  4. Step 4: Simplify right side
    2,077,891.20x = 3,527,525,568,015.36
  5. Step 5: Solve for x
    x = 3,527,525,568,015.36/2,077,891.20
  6. Step 6: Final answer
    x = 1,697,646.91

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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.