Home / 2,196,390.80-3,294,586.20-2,103,078.80

Finding the Fourth Proportional to 2,196,390.80, 3,294,586.20 and 2,103,078.80

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Solution

The fourth proportional to 2,196,390.80, 3,294,586.20 and 2,103,078.80 is: 3,154,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,196,390.80 : 3,294,586.20 = 2,103,078.80 : x
  2. Step 2: Convert to fraction form
    2,196,390.80/3,294,586.20 = 2,103,078.80/x
  3. Step 3: Cross multiply
    2,196,390.80x = 3,294,586.20 × 2,103,078.80
  4. Step 4: Simplify right side
    2,196,390.80x = 6,928,774,391,992.56
  5. Step 5: Solve for x
    x = 6,928,774,391,992.56/2,196,390.80
  6. Step 6: Final answer
    x = 3,154,618.20

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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.