Home / 2,085,550.74-3,127,183.17-645,834.47

Finding the Fourth Proportional to 2,085,550.74, 3,127,183.17 and 645,834.47

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Solution

The fourth proportional to 2,085,550.74, 3,127,183.17 and 645,834.47 is: 968,397.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,085,550.74 : 3,127,183.17 = 645,834.47 : x
  2. Step 2: Convert to fraction form
    2,085,550.74/3,127,183.17 = 645,834.47/x
  3. Step 3: Cross multiply
    2,085,550.74x = 3,127,183.17 × 645,834.47
  4. Step 4: Simplify right side
    2,085,550.74x = 2,019,642,667,132.07
  5. Step 5: Solve for x
    x = 2,019,642,667,132.07/2,085,550.74
  6. Step 6: Final answer
    x = 968,397.76

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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.