Home / 1,969,726-2,718,431.16-1,154,614.78

Finding the Fourth Proportional to 1,969,726, 2,718,431.16 and 1,154,614.78

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Solution

The fourth proportional to 1,969,726, 2,718,431.16 and 1,154,614.78 is: 1,593,491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,726 : 2,718,431.16 = 1,154,614.78 : x
  2. Step 2: Convert to fraction form
    1,969,726/2,718,431.16 = 1,154,614.78/x
  3. Step 3: Cross multiply
    1,969,726x = 2,718,431.16 × 1,154,614.78
  4. Step 4: Simplify right side
    1,969,726x = 3,138,740,795,748.55
  5. Step 5: Solve for x
    x = 3,138,740,795,748.55/1,969,726
  6. Step 6: Final answer
    x = 1,593,491.07

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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.