Home / 2,520,228.75-3,780,722.22-813,800.13

Finding the Fourth Proportional to 2,520,228.75, 3,780,722.22 and 813,800.13

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Solution

The fourth proportional to 2,520,228.75, 3,780,722.22 and 813,800.13 is: 1,220,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,228.75 : 3,780,722.22 = 813,800.13 : x
  2. Step 2: Convert to fraction form
    2,520,228.75/3,780,722.22 = 813,800.13/x
  3. Step 3: Cross multiply
    2,520,228.75x = 3,780,722.22 × 813,800.13
  4. Step 4: Simplify right side
    2,520,228.75x = 3,076,752,230,060.89
  5. Step 5: Solve for x
    x = 3,076,752,230,060.89/2,520,228.75
  6. Step 6: Final answer
    x = 1,220,822.61

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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.