Home / 5,257,161.20-7,885,741.80-2,422,809.20

Finding the Fourth Proportional to 5,257,161.20, 7,885,741.80 and 2,422,809.20

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Solution

The fourth proportional to 5,257,161.20, 7,885,741.80 and 2,422,809.20 is: 3,634,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,257,161.20 : 7,885,741.80 = 2,422,809.20 : x
  2. Step 2: Convert to fraction form
    5,257,161.20/7,885,741.80 = 2,422,809.20/x
  3. Step 3: Cross multiply
    5,257,161.20x = 7,885,741.80 × 2,422,809.20
  4. Step 4: Simplify right side
    5,257,161.20x = 19,105,647,781,864.56
  5. Step 5: Solve for x
    x = 19,105,647,781,864.56/5,257,161.20
  6. Step 6: Final answer
    x = 3,634,213.80

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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.