Home / 5,277,996.90-7,281,471.10-3,211,355.70

Finding the Fourth Proportional to 5,277,996.90, 7,281,471.10 and 3,211,355.70

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Solution

The fourth proportional to 5,277,996.90, 7,281,471.10 and 3,211,355.70 is: 4,430,353.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277,996.90 : 7,281,471.10 = 3,211,355.70 : x
  2. Step 2: Convert to fraction form
    5,277,996.90/7,281,471.10 = 3,211,355.70/x
  3. Step 3: Cross multiply
    5,277,996.90x = 7,281,471.10 × 3,211,355.70
  4. Step 4: Simplify right side
    5,277,996.90x = 23,383,393,721,370.27
  5. Step 5: Solve for x
    x = 23,383,393,721,370.27/5,277,996.90
  6. Step 6: Final answer
    x = 4,430,353.82

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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.