Home / 3,010,990-4,517,372.22-1,212,948.22

Finding the Fourth Proportional to 3,010,990, 4,517,372.22 and 1,212,948.22

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Solution

The fourth proportional to 3,010,990, 4,517,372.22 and 1,212,948.22 is: 1,819,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,990 : 4,517,372.22 = 1,212,948.22 : x
  2. Step 2: Convert to fraction form
    3,010,990/4,517,372.22 = 1,212,948.22/x
  3. Step 3: Cross multiply
    3,010,990x = 4,517,372.22 × 1,212,948.22
  4. Step 4: Simplify right side
    3,010,990x = 5,479,338,593,326.45
  5. Step 5: Solve for x
    x = 5,479,338,593,326.45/3,010,990
  6. Step 6: Final answer
    x = 1,819,779.74

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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.