Home / 1,519,821.82-2,097,010.76-907,854.80

Finding the Fourth Proportional to 1,519,821.82, 2,097,010.76 and 907,854.80

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Solution

The fourth proportional to 1,519,821.82, 2,097,010.76 and 907,854.80 is: 1,252,634.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,821.82 : 2,097,010.76 = 907,854.80 : x
  2. Step 2: Convert to fraction form
    1,519,821.82/2,097,010.76 = 907,854.80/x
  3. Step 3: Cross multiply
    1,519,821.82x = 2,097,010.76 × 907,854.80
  4. Step 4: Simplify right side
    1,519,821.82x = 1,903,781,275,872.30
  5. Step 5: Solve for x
    x = 1,903,781,275,872.30/1,519,821.82
  6. Step 6: Final answer
    x = 1,252,634.52

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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.