Home / 1,908,532.84-2,861,019.42-645,481.48

Finding the Fourth Proportional to 1,908,532.84, 2,861,019.42 and 645,481.48

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Solution

The fourth proportional to 1,908,532.84, 2,861,019.42 and 645,481.48 is: 967,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,532.84 : 2,861,019.42 = 645,481.48 : x
  2. Step 2: Convert to fraction form
    1,908,532.84/2,861,019.42 = 645,481.48/x
  3. Step 3: Cross multiply
    1,908,532.84x = 2,861,019.42 × 645,481.48
  4. Step 4: Simplify right side
    1,908,532.84x = 1,846,735,049,530.34
  5. Step 5: Solve for x
    x = 1,846,735,049,530.34/1,908,532.84
  6. Step 6: Final answer
    x = 967,620.26

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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.