Home / 2,808,692.60-3,876,023.81-1,519,560.65

Finding the Fourth Proportional to 2,808,692.60, 3,876,023.81 and 1,519,560.65

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Solution

The fourth proportional to 2,808,692.60, 3,876,023.81 and 1,519,560.65 is: 2,097,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,692.60 : 3,876,023.81 = 1,519,560.65 : x
  2. Step 2: Convert to fraction form
    2,808,692.60/3,876,023.81 = 1,519,560.65/x
  3. Step 3: Cross multiply
    2,808,692.60x = 3,876,023.81 × 1,519,560.65
  4. Step 4: Simplify right side
    2,808,692.60x = 5,889,853,273,628.04
  5. Step 5: Solve for x
    x = 5,889,853,273,628.04/2,808,692.60
  6. Step 6: Final answer
    x = 2,097,008.87

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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.