Home / 2,672,163.20-4,008,244.80-778,966.40

Finding the Fourth Proportional to 2,672,163.20, 4,008,244.80 and 778,966.40

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Solution

The fourth proportional to 2,672,163.20, 4,008,244.80 and 778,966.40 is: 1,168,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,672,163.20 : 4,008,244.80 = 778,966.40 : x
  2. Step 2: Convert to fraction form
    2,672,163.20/4,008,244.80 = 778,966.40/x
  3. Step 3: Cross multiply
    2,672,163.20x = 4,008,244.80 × 778,966.40
  4. Step 4: Simplify right side
    2,672,163.20x = 3,122,288,022,174.72
  5. Step 5: Solve for x
    x = 3,122,288,022,174.72/2,672,163.20
  6. Step 6: Final answer
    x = 1,168,449.60

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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.