Home / 2,190,257.60-3,285,079.20-694,500.80

Finding the Fourth Proportional to 2,190,257.60, 3,285,079.20 and 694,500.80

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Solution

The fourth proportional to 2,190,257.60, 3,285,079.20 and 694,500.80 is: 1,041,653.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,257.60 : 3,285,079.20 = 694,500.80 : x
  2. Step 2: Convert to fraction form
    2,190,257.60/3,285,079.20 = 694,500.80/x
  3. Step 3: Cross multiply
    2,190,257.60x = 3,285,079.20 × 694,500.80
  4. Step 4: Simplify right side
    2,190,257.60x = 2,281,490,132,463.36
  5. Step 5: Solve for x
    x = 2,281,490,132,463.36/2,190,257.60
  6. Step 6: Final answer
    x = 1,041,653.79

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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.