Home / 2,191,197.20-3,286,795.80-993,117.20

Finding the Fourth Proportional to 2,191,197.20, 3,286,795.80 and 993,117.20

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Solution

The fourth proportional to 2,191,197.20, 3,286,795.80 and 993,117.20 is: 1,489,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,197.20 : 3,286,795.80 = 993,117.20 : x
  2. Step 2: Convert to fraction form
    2,191,197.20/3,286,795.80 = 993,117.20/x
  3. Step 3: Cross multiply
    2,191,197.20x = 3,286,795.80 × 993,117.20
  4. Step 4: Simplify right side
    2,191,197.20x = 3,264,173,441,867.76
  5. Step 5: Solve for x
    x = 3,264,173,441,867.76/2,191,197.20
  6. Step 6: Final answer
    x = 1,489,675.80

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Double scale
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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.