Home / 3,785,167.40-5,222,832.22-2,153,479.52

Finding the Fourth Proportional to 3,785,167.40, 5,222,832.22 and 2,153,479.52

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Solution

The fourth proportional to 3,785,167.40, 5,222,832.22 and 2,153,479.52 is: 2,971,404.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,167.40 : 5,222,832.22 = 2,153,479.52 : x
  2. Step 2: Convert to fraction form
    3,785,167.40/5,222,832.22 = 2,153,479.52/x
  3. Step 3: Cross multiply
    3,785,167.40x = 5,222,832.22 × 2,153,479.52
  4. Step 4: Simplify right side
    3,785,167.40x = 11,247,262,222,166.13
  5. Step 5: Solve for x
    x = 11,247,262,222,166.13/3,785,167.40
  6. Step 6: Final answer
    x = 2,971,404.18

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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.