Home / 2,617,531.27-3,926,346.08-820,374.95

Finding the Fourth Proportional to 2,617,531.27, 3,926,346.08 and 820,374.95

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Solution

The fourth proportional to 2,617,531.27, 3,926,346.08 and 820,374.95 is: 1,230,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,531.27 : 3,926,346.08 = 820,374.95 : x
  2. Step 2: Convert to fraction form
    2,617,531.27/3,926,346.08 = 820,374.95/x
  3. Step 3: Cross multiply
    2,617,531.27x = 3,926,346.08 × 820,374.95
  4. Step 4: Simplify right side
    2,617,531.27x = 3,221,075,974,776.69
  5. Step 5: Solve for x
    x = 3,221,075,974,776.69/2,617,531.27
  6. Step 6: Final answer
    x = 1,230,577.84

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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.