Home / 1,585,613.86-2,188,195.81-932,120.04

Finding the Fourth Proportional to 1,585,613.86, 2,188,195.81 and 932,120.04

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Solution

The fourth proportional to 1,585,613.86, 2,188,195.81 and 932,120.04 is: 1,286,354.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,613.86 : 2,188,195.81 = 932,120.04 : x
  2. Step 2: Convert to fraction form
    1,585,613.86/2,188,195.81 = 932,120.04/x
  3. Step 3: Cross multiply
    1,585,613.86x = 2,188,195.81 × 932,120.04
  4. Step 4: Simplify right side
    1,585,613.86x = 2,039,661,165,945.03
  5. Step 5: Solve for x
    x = 2,039,661,165,945.03/1,585,613.86
  6. Step 6: Final answer
    x = 1,286,354.27

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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.