Home / 2,661,202.20-3,991,803.30-768,005.40

Finding the Fourth Proportional to 2,661,202.20, 3,991,803.30 and 768,005.40

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Solution

The fourth proportional to 2,661,202.20, 3,991,803.30 and 768,005.40 is: 1,152,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,661,202.20 : 3,991,803.30 = 768,005.40 : x
  2. Step 2: Convert to fraction form
    2,661,202.20/3,991,803.30 = 768,005.40/x
  3. Step 3: Cross multiply
    2,661,202.20x = 3,991,803.30 × 768,005.40
  4. Step 4: Simplify right side
    2,661,202.20x = 3,065,726,490,137.82
  5. Step 5: Solve for x
    x = 3,065,726,490,137.82/2,661,202.20
  6. Step 6: Final answer
    x = 1,152,008.10

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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.