Home / 2,566,799.28-3,542,211-1,420,898.76

Finding the Fourth Proportional to 2,566,799.28, 3,542,211 and 1,420,898.76

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Solution

The fourth proportional to 2,566,799.28, 3,542,211 and 1,420,898.76 is: 1,960,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,566,799.28 : 3,542,211 = 1,420,898.76 : x
  2. Step 2: Convert to fraction form
    2,566,799.28/3,542,211 = 1,420,898.76/x
  3. Step 3: Cross multiply
    2,566,799.28x = 3,542,211 × 1,420,898.76
  4. Step 4: Simplify right side
    2,566,799.28x = 5,033,123,217,558.36
  5. Step 5: Solve for x
    x = 5,033,123,217,558.36/2,566,799.28
  6. Step 6: Final answer
    x = 1,960,855.79

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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.