Home / 3,672,851.28-5,509,069.56-1,148,208.72

Finding the Fourth Proportional to 3,672,851.28, 5,509,069.56 and 1,148,208.72

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Solution

The fourth proportional to 3,672,851.28, 5,509,069.56 and 1,148,208.72 is: 1,722,248.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,851.28 : 5,509,069.56 = 1,148,208.72 : x
  2. Step 2: Convert to fraction form
    3,672,851.28/5,509,069.56 = 1,148,208.72/x
  3. Step 3: Cross multiply
    3,672,851.28x = 5,509,069.56 × 1,148,208.72
  4. Step 4: Simplify right side
    3,672,851.28x = 6,325,561,707,878.56
  5. Step 5: Solve for x
    x = 6,325,561,707,878.56/3,672,851.28
  6. Step 6: Final answer
    x = 1,722,248.26

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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.