Home / 2,617,513.67-3,926,319.71-820,357.36

Finding the Fourth Proportional to 2,617,513.67, 3,926,319.71 and 820,357.36

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Solution

The fourth proportional to 2,617,513.67, 3,926,319.71 and 820,357.36 is: 1,230,551.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,513.67 : 3,926,319.71 = 820,357.36 : x
  2. Step 2: Convert to fraction form
    2,617,513.67/3,926,319.71 = 820,357.36/x
  3. Step 3: Cross multiply
    2,617,513.67x = 3,926,319.71 × 820,357.36
  4. Step 4: Simplify right side
    2,617,513.67x = 3,220,985,271,811.57
  5. Step 5: Solve for x
    x = 3,220,985,271,811.57/2,617,513.67
  6. Step 6: Final answer
    x = 1,230,551.46

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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.