Home / 3,148,418.34-4,721,074.74-1,326,450.60

Finding the Fourth Proportional to 3,148,418.34, 4,721,074.74 and 1,326,450.60

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Solution

The fourth proportional to 3,148,418.34, 4,721,074.74 and 1,326,450.60 is: 1,989,021.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,418.34 : 4,721,074.74 = 1,326,450.60 : x
  2. Step 2: Convert to fraction form
    3,148,418.34/4,721,074.74 = 1,326,450.60/x
  3. Step 3: Cross multiply
    3,148,418.34x = 4,721,074.74 × 1,326,450.60
  4. Step 4: Simplify right side
    3,148,418.34x = 6,262,272,421,517.85
  5. Step 5: Solve for x
    x = 6,262,272,421,517.85/3,148,418.34
  6. Step 6: Final answer
    x = 1,989,021.71

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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.