Home / 2,617,516.10-3,926,323.36-820,359.79

Finding the Fourth Proportional to 2,617,516.10, 3,926,323.36 and 820,359.79

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Solution

The fourth proportional to 2,617,516.10, 3,926,323.36 and 820,359.79 is: 1,230,555.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,516.10 : 3,926,323.36 = 820,359.79 : x
  2. Step 2: Convert to fraction form
    2,617,516.10/3,926,323.36 = 820,359.79/x
  3. Step 3: Cross multiply
    2,617,516.10x = 3,926,323.36 × 820,359.79
  4. Step 4: Simplify right side
    2,617,516.10x = 3,220,997,807,081.69
  5. Step 5: Solve for x
    x = 3,220,997,807,081.69/2,617,516.10
  6. Step 6: Final answer
    x = 1,230,555.11

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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.