Home / 5,212,420.56-7,811,821.35-2,906,821.62

Finding the Fourth Proportional to 5,212,420.56, 7,811,821.35 and 2,906,821.62

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Solution

The fourth proportional to 5,212,420.56, 7,811,821.35 and 2,906,821.62 is: 4,356,434.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212,420.56 : 7,811,821.35 = 2,906,821.62 : x
  2. Step 2: Convert to fraction form
    5,212,420.56/7,811,821.35 = 2,906,821.62/x
  3. Step 3: Cross multiply
    5,212,420.56x = 7,811,821.35 × 2,906,821.62
  4. Step 4: Simplify right side
    5,212,420.56x = 22,707,571,191,757.59
  5. Step 5: Solve for x
    x = 22,707,571,191,757.59/5,212,420.56
  6. Step 6: Final answer
    x = 4,356,434.97

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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.