Home / 2,076,661.80-3,108,771.90-1,234,780.20

Finding the Fourth Proportional to 2,076,661.80, 3,108,771.90 and 1,234,780.20

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Solution

The fourth proportional to 2,076,661.80, 3,108,771.90 and 1,234,780.20 is: 1,848,471.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,661.80 : 3,108,771.90 = 1,234,780.20 : x
  2. Step 2: Convert to fraction form
    2,076,661.80/3,108,771.90 = 1,234,780.20/x
  3. Step 3: Cross multiply
    2,076,661.80x = 3,108,771.90 × 1,234,780.20
  4. Step 4: Simplify right side
    2,076,661.80x = 3,838,649,988,436.38
  5. Step 5: Solve for x
    x = 3,838,649,988,436.38/2,076,661.80
  6. Step 6: Final answer
    x = 1,848,471.42

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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.