Home / 3,785,168.40-5,222,833.60-2,153,480.52

Finding the Fourth Proportional to 3,785,168.40, 5,222,833.60 and 2,153,480.52

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Solution

The fourth proportional to 3,785,168.40, 5,222,833.60 and 2,153,480.52 is: 2,971,405.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,785,168.40 : 5,222,833.60 = 2,153,480.52 : x
  2. Step 2: Convert to fraction form
    3,785,168.40/5,222,833.60 = 2,153,480.52/x
  3. Step 3: Cross multiply
    3,785,168.40x = 5,222,833.60 × 2,153,480.52
  4. Step 4: Simplify right side
    3,785,168.40x = 11,247,270,416,801.47
  5. Step 5: Solve for x
    x = 11,247,270,416,801.47/3,785,168.40
  6. Step 6: Final answer
    x = 2,971,405.56

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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.