Home / 2,681,604.80-4,022,407.20-2,209,212.80

Finding the Fourth Proportional to 2,681,604.80, 4,022,407.20 and 2,209,212.80

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Solution

The fourth proportional to 2,681,604.80, 4,022,407.20 and 2,209,212.80 is: 3,313,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,604.80 : 4,022,407.20 = 2,209,212.80 : x
  2. Step 2: Convert to fraction form
    2,681,604.80/4,022,407.20 = 2,209,212.80/x
  3. Step 3: Cross multiply
    2,681,604.80x = 4,022,407.20 × 2,209,212.80
  4. Step 4: Simplify right side
    2,681,604.80x = 8,886,353,473,052.16
  5. Step 5: Solve for x
    x = 8,886,353,473,052.16/2,681,604.80
  6. Step 6: Final answer
    x = 3,313,819.20

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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.