Home / 1,912,601.85-2,638,025.86-1,232,882.25

Finding the Fourth Proportional to 1,912,601.85, 2,638,025.86 and 1,232,882.25

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Solution

The fourth proportional to 1,912,601.85, 2,638,025.86 and 1,232,882.25 is: 1,700,497.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,601.85 : 2,638,025.86 = 1,232,882.25 : x
  2. Step 2: Convert to fraction form
    1,912,601.85/2,638,025.86 = 1,232,882.25/x
  3. Step 3: Cross multiply
    1,912,601.85x = 2,638,025.86 × 1,232,882.25
  4. Step 4: Simplify right side
    1,912,601.85x = 3,252,375,257,834.99
  5. Step 5: Solve for x
    x = 3,252,375,257,834.99/1,912,601.85
  6. Step 6: Final answer
    x = 1,700,497.81

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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.