Home / 1,939,821.39-2,909,732.12-591,990.91

Finding the Fourth Proportional to 1,939,821.39, 2,909,732.12 and 591,990.91

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Solution

The fourth proportional to 1,939,821.39, 2,909,732.12 and 591,990.91 is: 887,986.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,821.39 : 2,909,732.12 = 591,990.91 : x
  2. Step 2: Convert to fraction form
    1,939,821.39/2,909,732.12 = 591,990.91/x
  3. Step 3: Cross multiply
    1,939,821.39x = 2,909,732.12 × 591,990.91
  4. Step 4: Simplify right side
    1,939,821.39x = 1,722,534,965,575.03
  5. Step 5: Solve for x
    x = 1,722,534,965,575.03/1,939,821.39
  6. Step 6: Final answer
    x = 887,986.38

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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.