Home / 2,630,593.60-3,945,890.40-2,205,440.80

Finding the Fourth Proportional to 2,630,593.60, 3,945,890.40 and 2,205,440.80

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Solution

The fourth proportional to 2,630,593.60, 3,945,890.40 and 2,205,440.80 is: 3,308,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,593.60 : 3,945,890.40 = 2,205,440.80 : x
  2. Step 2: Convert to fraction form
    2,630,593.60/3,945,890.40 = 2,205,440.80/x
  3. Step 3: Cross multiply
    2,630,593.60x = 3,945,890.40 × 2,205,440.80
  4. Step 4: Simplify right side
    2,630,593.60x = 8,702,427,680,488.32
  5. Step 5: Solve for x
    x = 8,702,427,680,488.32/2,630,593.60
  6. Step 6: Final answer
    x = 3,308,161.20

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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.