Home / 3,867,520.47-5,801,281.77-1,438,356.33

Finding the Fourth Proportional to 3,867,520.47, 5,801,281.77 and 1,438,356.33

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Solution

The fourth proportional to 3,867,520.47, 5,801,281.77 and 1,438,356.33 is: 2,157,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867,520.47 : 5,801,281.77 = 1,438,356.33 : x
  2. Step 2: Convert to fraction form
    3,867,520.47/5,801,281.77 = 1,438,356.33/x
  3. Step 3: Cross multiply
    3,867,520.47x = 5,801,281.77 × 1,438,356.33
  4. Step 4: Simplify right side
    3,867,520.47x = 8,344,310,344,059.53
  5. Step 5: Solve for x
    x = 8,344,310,344,059.53/3,867,520.47
  6. Step 6: Final answer
    x = 2,157,534.89

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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.