Home / 2,119,080.52-3,180,618.42-772,544.56

Finding the Fourth Proportional to 2,119,080.52, 3,180,618.42 and 772,544.56

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Solution

The fourth proportional to 2,119,080.52, 3,180,618.42 and 772,544.56 is: 1,159,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,080.52 : 3,180,618.42 = 772,544.56 : x
  2. Step 2: Convert to fraction form
    2,119,080.52/3,180,618.42 = 772,544.56/x
  3. Step 3: Cross multiply
    2,119,080.52x = 3,180,618.42 × 772,544.56
  4. Step 4: Simplify right side
    2,119,080.52x = 2,457,169,457,806.80
  5. Step 5: Solve for x
    x = 2,457,169,457,806.80/2,119,080.52
  6. Step 6: Final answer
    x = 1,159,545.11

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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.