Home / 1,891,896.38-2,836,157.15-693,538.93

Finding the Fourth Proportional to 1,891,896.38, 2,836,157.15 and 693,538.93

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Solution

The fourth proportional to 1,891,896.38, 2,836,157.15 and 693,538.93 is: 1,039,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,896.38 : 2,836,157.15 = 693,538.93 : x
  2. Step 2: Convert to fraction form
    1,891,896.38/2,836,157.15 = 693,538.93/x
  3. Step 3: Cross multiply
    1,891,896.38x = 2,836,157.15 × 693,538.93
  4. Step 4: Simplify right side
    1,891,896.38x = 1,966,985,389,766.30
  5. Step 5: Solve for x
    x = 1,966,985,389,766.30/1,891,896.38
  6. Step 6: Final answer
    x = 1,039,689.81

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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.