Home / 5,475,394.92-8,211,001.42-2,191,745.64

Finding the Fourth Proportional to 5,475,394.92, 8,211,001.42 and 2,191,745.64

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Solution

The fourth proportional to 5,475,394.92, 8,211,001.42 and 2,191,745.64 is: 3,286,781.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475,394.92 : 8,211,001.42 = 2,191,745.64 : x
  2. Step 2: Convert to fraction form
    5,475,394.92/8,211,001.42 = 2,191,745.64/x
  3. Step 3: Cross multiply
    5,475,394.92x = 8,211,001.42 × 2,191,745.64
  4. Step 4: Simplify right side
    5,475,394.92x = 17,996,426,562,318.81
  5. Step 5: Solve for x
    x = 17,996,426,562,318.81/5,475,394.92
  6. Step 6: Final answer
    x = 3,286,781.47

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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.