Home / 3,969,289.98-5,478,690.90-2,592,604.50

Finding the Fourth Proportional to 3,969,289.98, 5,478,690.90 and 2,592,604.50

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Solution

The fourth proportional to 3,969,289.98, 5,478,690.90 and 2,592,604.50 is: 3,578,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,289.98 : 5,478,690.90 = 2,592,604.50 : x
  2. Step 2: Convert to fraction form
    3,969,289.98/5,478,690.90 = 2,592,604.50/x
  3. Step 3: Cross multiply
    3,969,289.98x = 5,478,690.90 × 2,592,604.50
  4. Step 4: Simplify right side
    3,969,289.98x = 14,204,078,681,449.05
  5. Step 5: Solve for x
    x = 14,204,078,681,449.05/3,969,289.98
  6. Step 6: Final answer
    x = 3,578,493.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.