Home / 5,383,145.38-8,071,465.71-2,145,181.18

Finding the Fourth Proportional to 5,383,145.38, 8,071,465.71 and 2,145,181.18

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Solution

The fourth proportional to 5,383,145.38, 8,071,465.71 and 2,145,181.18 is: 3,216,475.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,145.38 : 8,071,465.71 = 2,145,181.18 : x
  2. Step 2: Convert to fraction form
    5,383,145.38/8,071,465.71 = 2,145,181.18/x
  3. Step 3: Cross multiply
    5,383,145.38x = 8,071,465.71 × 2,145,181.18
  4. Step 4: Simplify right side
    5,383,145.38x = 17,314,756,336,107.34
  5. Step 5: Solve for x
    x = 17,314,756,336,107.34/5,383,145.38
  6. Step 6: Final answer
    x = 3,216,475.71

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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.