Home / 2,420,103.80-3,630,155.70-999,687.80

Finding the Fourth Proportional to 2,420,103.80, 3,630,155.70 and 999,687.80

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Solution

The fourth proportional to 2,420,103.80, 3,630,155.70 and 999,687.80 is: 1,499,531.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,103.80 : 3,630,155.70 = 999,687.80 : x
  2. Step 2: Convert to fraction form
    2,420,103.80/3,630,155.70 = 999,687.80/x
  3. Step 3: Cross multiply
    2,420,103.80x = 3,630,155.70 × 999,687.80
  4. Step 4: Simplify right side
    2,420,103.80x = 3,629,022,365,390.46
  5. Step 5: Solve for x
    x = 3,629,022,365,390.46/2,420,103.80
  6. Step 6: Final answer
    x = 1,499,531.70

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Similar ratio
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1.5x scale

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.