Home / 4,712,134.06-7,061,661.78-2,147,080.30

Finding the Fourth Proportional to 4,712,134.06, 7,061,661.78 and 2,147,080.30

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Solution

The fourth proportional to 4,712,134.06, 7,061,661.78 and 2,147,080.30 is: 3,217,640.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712,134.06 : 7,061,661.78 = 2,147,080.30 : x
  2. Step 2: Convert to fraction form
    4,712,134.06/7,061,661.78 = 2,147,080.30/x
  3. Step 3: Cross multiply
    4,712,134.06x = 7,061,661.78 × 2,147,080.30
  4. Step 4: Simplify right side
    4,712,134.06x = 15,161,954,893,100.93
  5. Step 5: Solve for x
    x = 15,161,954,893,100.93/4,712,134.06
  6. Step 6: Final answer
    x = 3,217,640.82

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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.