Home / 6,645,121.31-9,170,271.09-3,589,335.56

Finding the Fourth Proportional to 6,645,121.31, 9,170,271.09 and 3,589,335.56

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Solution

The fourth proportional to 6,645,121.31, 9,170,271.09 and 3,589,335.56 is: 4,953,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,121.31 : 9,170,271.09 = 3,589,335.56 : x
  2. Step 2: Convert to fraction form
    6,645,121.31/9,170,271.09 = 3,589,335.56/x
  3. Step 3: Cross multiply
    6,645,121.31x = 9,170,271.09 × 3,589,335.56
  4. Step 4: Simplify right side
    6,645,121.31x = 32,915,180,141,102.64
  5. Step 5: Solve for x
    x = 32,915,180,141,102.64/6,645,121.31
  6. Step 6: Final answer
    x = 4,953,285.06

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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.