Home / 5,420,015.90-7,478,932.50-3,097,058.66

Finding the Fourth Proportional to 5,420,015.90, 7,478,932.50 and 3,097,058.66

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Solution

The fourth proportional to 5,420,015.90, 7,478,932.50 and 3,097,058.66 is: 4,273,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,015.90 : 7,478,932.50 = 3,097,058.66 : x
  2. Step 2: Convert to fraction form
    5,420,015.90/7,478,932.50 = 3,097,058.66/x
  3. Step 3: Cross multiply
    5,420,015.90x = 7,478,932.50 × 3,097,058.66
  4. Step 4: Simplify right side
    5,420,015.90x = 23,162,692,629,285.79
  5. Step 5: Solve for x
    x = 23,162,692,629,285.79/5,420,015.90
  6. Step 6: Final answer
    x = 4,273,546.99

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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.