Home / 3,015,247.56-4,161,082.20-1,638,618.60

Finding the Fourth Proportional to 3,015,247.56, 4,161,082.20 and 1,638,618.60

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Solution

The fourth proportional to 3,015,247.56, 4,161,082.20 and 1,638,618.60 is: 2,261,315.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,247.56 : 4,161,082.20 = 1,638,618.60 : x
  2. Step 2: Convert to fraction form
    3,015,247.56/4,161,082.20 = 1,638,618.60/x
  3. Step 3: Cross multiply
    3,015,247.56x = 4,161,082.20 × 1,638,618.60
  4. Step 4: Simplify right side
    3,015,247.56x = 6,818,426,689,048.92
  5. Step 5: Solve for x
    x = 6,818,426,689,048.92/3,015,247.56
  6. Step 6: Final answer
    x = 2,261,315.71

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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.