Home / 3,311,411.16-4,568,937.66-2,021,781.72

Finding the Fourth Proportional to 3,311,411.16, 4,568,937.66 and 2,021,781.72

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Solution

The fourth proportional to 3,311,411.16, 4,568,937.66 and 2,021,781.72 is: 2,789,564.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,311,411.16 : 4,568,937.66 = 2,021,781.72 : x
  2. Step 2: Convert to fraction form
    3,311,411.16/4,568,937.66 = 2,021,781.72/x
  3. Step 3: Cross multiply
    3,311,411.16x = 4,568,937.66 × 2,021,781.72
  4. Step 4: Simplify right side
    3,311,411.16x = 9,237,394,640,807.58
  5. Step 5: Solve for x
    x = 9,237,394,640,807.58/3,311,411.16
  6. Step 6: Final answer
    x = 2,789,564.39

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Double scale
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Similar ratio
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1.5x scale

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.