Home / 2,413,078.08-3,619,019.04-815,605.68

Finding the Fourth Proportional to 2,413,078.08, 3,619,019.04 and 815,605.68

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Solution

The fourth proportional to 2,413,078.08, 3,619,019.04 and 815,605.68 is: 1,223,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,413,078.08 : 3,619,019.04 = 815,605.68 : x
  2. Step 2: Convert to fraction form
    2,413,078.08/3,619,019.04 = 815,605.68/x
  3. Step 3: Cross multiply
    2,413,078.08x = 3,619,019.04 × 815,605.68
  4. Step 4: Simplify right side
    2,413,078.08x = 2,951,692,485,052.15
  5. Step 5: Solve for x
    x = 2,951,692,485,052.15/2,413,078.08
  6. Step 6: Final answer
    x = 1,223,206.37

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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.