Home / 2,772,029.60-4,161,154.80-2,143,728.80

Finding the Fourth Proportional to 2,772,029.60, 4,161,154.80 and 2,143,728.80

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Solution

The fourth proportional to 2,772,029.60, 4,161,154.80 and 2,143,728.80 is: 3,217,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,029.60 : 4,161,154.80 = 2,143,728.80 : x
  2. Step 2: Convert to fraction form
    2,772,029.60/4,161,154.80 = 2,143,728.80/x
  3. Step 3: Cross multiply
    2,772,029.60x = 4,161,154.80 × 2,143,728.80
  4. Step 4: Simplify right side
    2,772,029.60x = 8,920,387,386,018.24
  5. Step 5: Solve for x
    x = 8,920,387,386,018.24/2,772,029.60
  6. Step 6: Final answer
    x = 3,217,998.61

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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.