Home / 6,420,640.92-8,859,992.72-3,666,948.24

Finding the Fourth Proportional to 6,420,640.92, 8,859,992.72 and 3,666,948.24

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Solution

The fourth proportional to 6,420,640.92, 8,859,992.72 and 3,666,948.24 is: 5,060,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,420,640.92 : 8,859,992.72 = 3,666,948.24 : x
  2. Step 2: Convert to fraction form
    6,420,640.92/8,859,992.72 = 3,666,948.24/x
  3. Step 3: Cross multiply
    6,420,640.92x = 8,859,992.72 × 3,666,948.24
  4. Step 4: Simplify right side
    6,420,640.92x = 32,489,134,711,016.82
  5. Step 5: Solve for x
    x = 32,489,134,711,016.82/6,420,640.92
  6. Step 6: Final answer
    x = 5,060,107.72

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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.