Home / 2,589,421.20-3,884,423.40-792,290.40

Finding the Fourth Proportional to 2,589,421.20, 3,884,423.40 and 792,290.40

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Solution

The fourth proportional to 2,589,421.20, 3,884,423.40 and 792,290.40 is: 1,188,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,421.20 : 3,884,423.40 = 792,290.40 : x
  2. Step 2: Convert to fraction form
    2,589,421.20/3,884,423.40 = 792,290.40/x
  3. Step 3: Cross multiply
    2,589,421.20x = 3,884,423.40 × 792,290.40
  4. Step 4: Simplify right side
    2,589,421.20x = 3,077,591,369,355.36
  5. Step 5: Solve for x
    x = 3,077,591,369,355.36/2,589,421.20
  6. Step 6: Final answer
    x = 1,188,524.82

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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.