Home / 5,159,931.93-7,120,710.62-2,836,863.96

Finding the Fourth Proportional to 5,159,931.93, 7,120,710.62 and 2,836,863.96

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Solution

The fourth proportional to 5,159,931.93, 7,120,710.62 and 2,836,863.96 is: 3,914,874.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159,931.93 : 7,120,710.62 = 2,836,863.96 : x
  2. Step 2: Convert to fraction form
    5,159,931.93/7,120,710.62 = 2,836,863.96/x
  3. Step 3: Cross multiply
    5,159,931.93x = 7,120,710.62 × 2,836,863.96
  4. Step 4: Simplify right side
    5,159,931.93x = 20,200,487,313,282.94
  5. Step 5: Solve for x
    x = 20,200,487,313,282.94/5,159,931.93
  6. Step 6: Final answer
    x = 3,914,874.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.