Home / 2,076,659.80-3,108,768.90-1,234,778.20

Finding the Fourth Proportional to 2,076,659.80, 3,108,768.90 and 1,234,778.20

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Solution

The fourth proportional to 2,076,659.80, 3,108,768.90 and 1,234,778.20 is: 1,848,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076,659.80 : 3,108,768.90 = 1,234,778.20 : x
  2. Step 2: Convert to fraction form
    2,076,659.80/3,108,768.90 = 1,234,778.20/x
  3. Step 3: Cross multiply
    2,076,659.80x = 3,108,768.90 × 1,234,778.20
  4. Step 4: Simplify right side
    2,076,659.80x = 3,838,640,066,557.98
  5. Step 5: Solve for x
    x = 3,838,640,066,557.98/2,076,659.80
  6. Step 6: Final answer
    x = 1,848,468.42

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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.