Home / 2,193,129.40-3,289,694.10-2,109,148.60

Finding the Fourth Proportional to 2,193,129.40, 3,289,694.10 and 2,109,148.60

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Solution

The fourth proportional to 2,193,129.40, 3,289,694.10 and 2,109,148.60 is: 3,163,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,193,129.40 : 3,289,694.10 = 2,109,148.60 : x
  2. Step 2: Convert to fraction form
    2,193,129.40/3,289,694.10 = 2,109,148.60/x
  3. Step 3: Cross multiply
    2,193,129.40x = 3,289,694.10 × 2,109,148.60
  4. Step 4: Simplify right side
    2,193,129.40x = 6,938,453,705,443.26
  5. Step 5: Solve for x
    x = 6,938,453,705,443.26/2,193,129.40
  6. Step 6: Final answer
    x = 3,163,722.90

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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.