Home / 2,193,105.40-3,289,658.10-2,109,124.60

Finding the Fourth Proportional to 2,193,105.40, 3,289,658.10 and 2,109,124.60

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Solution

The fourth proportional to 2,193,105.40, 3,289,658.10 and 2,109,124.60 is: 3,163,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,105.40 : 3,289,658.10 = 2,109,124.60 : x
  2. Step 2: Convert to fraction form
    2,193,105.40/3,289,658.10 = 2,109,124.60/x
  3. Step 3: Cross multiply
    2,193,105.40x = 3,289,658.10 × 2,109,124.60
  4. Step 4: Simplify right side
    2,193,105.40x = 6,938,298,824,299.26
  5. Step 5: Solve for x
    x = 6,938,298,824,299.26/2,193,105.40
  6. Step 6: Final answer
    x = 3,163,686.90

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Double scale
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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.