Home / 1,891,988.68-2,836,295.16-693,631.22

Finding the Fourth Proportional to 1,891,988.68, 2,836,295.16 and 693,631.22

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Solution

The fourth proportional to 1,891,988.68, 2,836,295.16 and 693,631.22 is: 1,039,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,988.68 : 2,836,295.16 = 693,631.22 : x
  2. Step 2: Convert to fraction form
    1,891,988.68/2,836,295.16 = 693,631.22/x
  3. Step 3: Cross multiply
    1,891,988.68x = 2,836,295.16 × 693,631.22
  4. Step 4: Simplify right side
    1,891,988.68x = 1,967,342,872,110.90
  5. Step 5: Solve for x
    x = 1,967,342,872,110.90/1,891,988.68
  6. Step 6: Final answer
    x = 1,039,828.04

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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.