Home / 2,229,380.76-3,076,551.36-1,311,644.48

Finding the Fourth Proportional to 2,229,380.76, 3,076,551.36 and 1,311,644.48

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Solution

The fourth proportional to 2,229,380.76, 3,076,551.36 and 1,311,644.48 is: 1,810,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229,380.76 : 3,076,551.36 = 1,311,644.48 : x
  2. Step 2: Convert to fraction form
    2,229,380.76/3,076,551.36 = 1,311,644.48/x
  3. Step 3: Cross multiply
    2,229,380.76x = 3,076,551.36 × 1,311,644.48
  4. Step 4: Simplify right side
    2,229,380.76x = 4,035,341,608,780.49
  5. Step 5: Solve for x
    x = 4,035,341,608,780.49/2,229,380.76
  6. Step 6: Final answer
    x = 1,810,072.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.