Home / 2,617,784.92-3,926,725.98-820,628.20

Finding the Fourth Proportional to 2,617,784.92, 3,926,725.98 and 820,628.20

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Solution

The fourth proportional to 2,617,784.92, 3,926,725.98 and 820,628.20 is: 1,230,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,784.92 : 3,926,725.98 = 820,628.20 : x
  2. Step 2: Convert to fraction form
    2,617,784.92/3,926,725.98 = 820,628.20/x
  3. Step 3: Cross multiply
    2,617,784.92x = 3,926,725.98 × 820,628.20
  4. Step 4: Simplify right side
    2,617,784.92x = 3,222,382,072,860.64
  5. Step 5: Solve for x
    x = 3,222,382,072,860.64/2,617,784.92
  6. Step 6: Final answer
    x = 1,230,957.54

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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.