Home / 2,569,408.60-3,849,965.70-1,621,082.20

Finding the Fourth Proportional to 2,569,408.60, 3,849,965.70 and 1,621,082.20

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Solution

The fourth proportional to 2,569,408.60, 3,849,965.70 and 1,621,082.20 is: 2,429,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,408.60 : 3,849,965.70 = 1,621,082.20 : x
  2. Step 2: Convert to fraction form
    2,569,408.60/3,849,965.70 = 1,621,082.20/x
  3. Step 3: Cross multiply
    2,569,408.60x = 3,849,965.70 × 1,621,082.20
  4. Step 4: Simplify right side
    2,569,408.60x = 6,241,110,866,880.54
  5. Step 5: Solve for x
    x = 6,241,110,866,880.54/2,569,408.60
  6. Step 6: Final answer
    x = 2,429,006.76

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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.