Home / 2,199,742.80-3,297,645.90-1,441,947.30

Finding the Fourth Proportional to 2,199,742.80, 3,297,645.90 and 1,441,947.30

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Solution

The fourth proportional to 2,199,742.80, 3,297,645.90 and 1,441,947.30 is: 2,161,630.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,742.80 : 3,297,645.90 = 1,441,947.30 : x
  2. Step 2: Convert to fraction form
    2,199,742.80/3,297,645.90 = 1,441,947.30/x
  3. Step 3: Cross multiply
    2,199,742.80x = 3,297,645.90 × 1,441,947.30
  4. Step 4: Simplify right side
    2,199,742.80x = 4,755,031,601,861.07
  5. Step 5: Solve for x
    x = 4,755,031,601,861.07/2,199,742.80
  6. Step 6: Final answer
    x = 2,161,630.72

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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.