Home / 2,720,141.10-4,080,211.65-1,637,721.90

Finding the Fourth Proportional to 2,720,141.10, 4,080,211.65 and 1,637,721.90

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Solution

The fourth proportional to 2,720,141.10, 4,080,211.65 and 1,637,721.90 is: 2,456,582.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720,141.10 : 4,080,211.65 = 1,637,721.90 : x
  2. Step 2: Convert to fraction form
    2,720,141.10/4,080,211.65 = 1,637,721.90/x
  3. Step 3: Cross multiply
    2,720,141.10x = 4,080,211.65 × 1,637,721.90
  4. Step 4: Simplify right side
    2,720,141.10x = 6,682,251,975,840.14
  5. Step 5: Solve for x
    x = 6,682,251,975,840.14/2,720,141.10
  6. Step 6: Final answer
    x = 2,456,582.85

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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.