Home / 2,617,207.96-3,925,813.31-820,231.39

Finding the Fourth Proportional to 2,617,207.96, 3,925,813.31 and 820,231.39

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Solution

The fourth proportional to 2,617,207.96, 3,925,813.31 and 820,231.39 is: 1,230,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,207.96 : 3,925,813.31 = 820,231.39 : x
  2. Step 2: Convert to fraction form
    2,617,207.96/3,925,813.31 = 820,231.39/x
  3. Step 3: Cross multiply
    2,617,207.96x = 3,925,813.31 × 820,231.39
  4. Step 4: Simplify right side
    2,617,207.96x = 3,220,075,298,675.53
  5. Step 5: Solve for x
    x = 3,220,075,298,675.53/2,617,207.96
  6. Step 6: Final answer
    x = 1,230,347.51

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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.