Home / 3,851,199.86-5,314,821.73-2,132,320.28

Finding the Fourth Proportional to 3,851,199.86, 5,314,821.73 and 2,132,320.28

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Solution

The fourth proportional to 3,851,199.86, 5,314,821.73 and 2,132,320.28 is: 2,942,693.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,199.86 : 5,314,821.73 = 2,132,320.28 : x
  2. Step 2: Convert to fraction form
    3,851,199.86/5,314,821.73 = 2,132,320.28/x
  3. Step 3: Cross multiply
    3,851,199.86x = 5,314,821.73 × 2,132,320.28
  4. Step 4: Simplify right side
    3,851,199.86x = 11,332,902,127,558.78
  5. Step 5: Solve for x
    x = 11,332,902,127,558.78/3,851,199.86
  6. Step 6: Final answer
    x = 2,942,693.85

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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.