Home / 2,772,039.60-4,161,169.80-2,143,738.80

Finding the Fourth Proportional to 2,772,039.60, 4,161,169.80 and 2,143,738.80

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Solution

The fourth proportional to 2,772,039.60, 4,161,169.80 and 2,143,738.80 is: 3,218,013.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,039.60 : 4,161,169.80 = 2,143,738.80 : x
  2. Step 2: Convert to fraction form
    2,772,039.60/4,161,169.80 = 2,143,738.80/x
  3. Step 3: Cross multiply
    2,772,039.60x = 4,161,169.80 × 2,143,738.80
  4. Step 4: Simplify right side
    2,772,039.60x = 8,920,461,153,648.24
  5. Step 5: Solve for x
    x = 8,920,461,153,648.24/2,772,039.60
  6. Step 6: Final answer
    x = 3,218,013.61

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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.