Home / 3,415,261.20-5,121,336.60-1,521,027.60

Finding the Fourth Proportional to 3,415,261.20, 5,121,336.60 and 1,521,027.60

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Solution

The fourth proportional to 3,415,261.20, 5,121,336.60 and 1,521,027.60 is: 2,280,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,261.20 : 5,121,336.60 = 1,521,027.60 : x
  2. Step 2: Convert to fraction form
    3,415,261.20/5,121,336.60 = 1,521,027.60/x
  3. Step 3: Cross multiply
    3,415,261.20x = 5,121,336.60 × 1,521,027.60
  4. Step 4: Simplify right side
    3,415,261.20x = 7,789,694,317,490.16
  5. Step 5: Solve for x
    x = 7,789,694,317,490.16/3,415,261.20
  6. Step 6: Final answer
    x = 2,280,848.77

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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.