Home / 1,986,613.68-2,741,616.78-1,170,851.64

Finding the Fourth Proportional to 1,986,613.68, 2,741,616.78 and 1,170,851.64

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Solution

The fourth proportional to 1,986,613.68, 2,741,616.78 and 1,170,851.64 is: 1,615,828.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,613.68 : 2,741,616.78 = 1,170,851.64 : x
  2. Step 2: Convert to fraction form
    1,986,613.68/2,741,616.78 = 1,170,851.64/x
  3. Step 3: Cross multiply
    1,986,613.68x = 2,741,616.78 × 1,170,851.64
  4. Step 4: Simplify right side
    1,986,613.68x = 3,210,026,503,114.52
  5. Step 5: Solve for x
    x = 3,210,026,503,114.52/1,986,613.68
  6. Step 6: Final answer
    x = 1,615,828.25

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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.