Home / 3,851,591.28-5,315,131.05-2,132,674.89

Finding the Fourth Proportional to 3,851,591.28, 5,315,131.05 and 2,132,674.89

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Solution

The fourth proportional to 3,851,591.28, 5,315,131.05 and 2,132,674.89 is: 2,943,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,591.28 : 5,315,131.05 = 2,132,674.89 : x
  2. Step 2: Convert to fraction form
    3,851,591.28/5,315,131.05 = 2,132,674.89/x
  3. Step 3: Cross multiply
    3,851,591.28x = 5,315,131.05 × 2,132,674.89
  4. Step 4: Simplify right side
    3,851,591.28x = 11,335,446,511,461.36
  5. Step 5: Solve for x
    x = 11,335,446,511,461.36/3,851,591.28
  6. Step 6: Final answer
    x = 2,943,055.40

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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.