Home / 2,620,620.48-3,930,952.60-823,464.16

Finding the Fourth Proportional to 2,620,620.48, 3,930,952.60 and 823,464.16

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Solution

The fourth proportional to 2,620,620.48, 3,930,952.60 and 823,464.16 is: 1,235,203.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,620.48 : 3,930,952.60 = 823,464.16 : x
  2. Step 2: Convert to fraction form
    2,620,620.48/3,930,952.60 = 823,464.16/x
  3. Step 3: Cross multiply
    2,620,620.48x = 3,930,952.60 × 823,464.16
  4. Step 4: Simplify right side
    2,620,620.48x = 3,236,998,580,758.82
  5. Step 5: Solve for x
    x = 3,236,998,580,758.82/2,620,620.48
  6. Step 6: Final answer
    x = 1,235,203.12

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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.