Home / 6,399,763.20-9,601,027.20-1,912,492.80

Finding the Fourth Proportional to 6,399,763.20, 9,601,027.20 and 1,912,492.80

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Solution

The fourth proportional to 6,399,763.20, 9,601,027.20 and 1,912,492.80 is: 2,869,152.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,763.20 : 9,601,027.20 = 1,912,492.80 : x
  2. Step 2: Convert to fraction form
    6,399,763.20/9,601,027.20 = 1,912,492.80/x
  3. Step 3: Cross multiply
    6,399,763.20x = 9,601,027.20 × 1,912,492.80
  4. Step 4: Simplify right side
    6,399,763.20x = 18,361,895,392,604.16
  5. Step 5: Solve for x
    x = 18,361,895,392,604.16/6,399,763.20
  6. Step 6: Final answer
    x = 2,869,152.31

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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.