Home / 2,074,915.35-3,112,645.17-812,578.95

Finding the Fourth Proportional to 2,074,915.35, 3,112,645.17 and 812,578.95

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Solution

The fourth proportional to 2,074,915.35, 3,112,645.17 and 812,578.95 is: 1,218,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,915.35 : 3,112,645.17 = 812,578.95 : x
  2. Step 2: Convert to fraction form
    2,074,915.35/3,112,645.17 = 812,578.95/x
  3. Step 3: Cross multiply
    2,074,915.35x = 3,112,645.17 × 812,578.95
  4. Step 4: Simplify right side
    2,074,915.35x = 2,529,269,943,961.17
  5. Step 5: Solve for x
    x = 2,529,269,943,961.17/2,074,915.35
  6. Step 6: Final answer
    x = 1,218,975.00

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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.