Home / 1,891,761.16-2,838,047.12-543,911.80

Finding the Fourth Proportional to 1,891,761.16, 2,838,047.12 and 543,911.80

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Solution

The fourth proportional to 1,891,761.16, 2,838,047.12 and 543,911.80 is: 815,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,761.16 : 2,838,047.12 = 543,911.80 : x
  2. Step 2: Convert to fraction form
    1,891,761.16/2,838,047.12 = 543,911.80/x
  3. Step 3: Cross multiply
    1,891,761.16x = 2,838,047.12 × 543,911.80
  4. Step 4: Simplify right side
    1,891,761.16x = 1,543,647,317,524.02
  5. Step 5: Solve for x
    x = 1,543,647,317,524.02/1,891,761.16
  6. Step 6: Final answer
    x = 815,984.25

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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.