Home / 2,042,769.38-2,818,175.90-1,215,677.57

Finding the Fourth Proportional to 2,042,769.38, 2,818,175.90 and 1,215,677.57

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Solution

The fourth proportional to 2,042,769.38, 2,818,175.90 and 1,215,677.57 is: 1,677,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042,769.38 : 2,818,175.90 = 1,215,677.57 : x
  2. Step 2: Convert to fraction form
    2,042,769.38/2,818,175.90 = 1,215,677.57/x
  3. Step 3: Cross multiply
    2,042,769.38x = 2,818,175.90 × 1,215,677.57
  4. Step 4: Simplify right side
    2,042,769.38x = 3,425,993,209,775.30
  5. Step 5: Solve for x
    x = 3,425,993,209,775.30/2,042,769.38
  6. Step 6: Final answer
    x = 1,677,131.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.