Home / 2,132,668.79-3,199,563.61-766,581.11

Finding the Fourth Proportional to 2,132,668.79, 3,199,563.61 and 766,581.11

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Solution

The fourth proportional to 2,132,668.79, 3,199,563.61 and 766,581.11 is: 1,150,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132,668.79 : 3,199,563.61 = 766,581.11 : x
  2. Step 2: Convert to fraction form
    2,132,668.79/3,199,563.61 = 766,581.11/x
  3. Step 3: Cross multiply
    2,132,668.79x = 3,199,563.61 × 766,581.11
  4. Step 4: Simplify right side
    2,132,668.79x = 2,452,725,029,751.86
  5. Step 5: Solve for x
    x = 2,452,725,029,751.86/2,132,668.79
  6. Step 6: Final answer
    x = 1,150,073.11

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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.