Home / 1,915,640.84-2,872,132.52-1,017,713.18

Finding the Fourth Proportional to 1,915,640.84, 2,872,132.52 and 1,017,713.18

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Solution

The fourth proportional to 1,915,640.84, 2,872,132.52 and 1,017,713.18 is: 1,525,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,640.84 : 2,872,132.52 = 1,017,713.18 : x
  2. Step 2: Convert to fraction form
    1,915,640.84/2,872,132.52 = 1,017,713.18/x
  3. Step 3: Cross multiply
    1,915,640.84x = 2,872,132.52 × 1,017,713.18
  4. Step 4: Simplify right side
    1,915,640.84x = 2,923,007,100,861.39
  5. Step 5: Solve for x
    x = 2,923,007,100,861.39/1,915,640.84
  6. Step 6: Final answer
    x = 1,525,863.85

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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.