Home / 2,195,849.90-3,030,367.56-1,215,788.92

Finding the Fourth Proportional to 2,195,849.90, 3,030,367.56 and 1,215,788.92

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Solution

The fourth proportional to 2,195,849.90, 3,030,367.56 and 1,215,788.92 is: 1,677,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,849.90 : 3,030,367.56 = 1,215,788.92 : x
  2. Step 2: Convert to fraction form
    2,195,849.90/3,030,367.56 = 1,215,788.92/x
  3. Step 3: Cross multiply
    2,195,849.90x = 3,030,367.56 × 1,215,788.92
  4. Step 4: Simplify right side
    2,195,849.90x = 3,684,287,302,975.44
  5. Step 5: Solve for x
    x = 3,684,287,302,975.44/2,195,849.90
  6. Step 6: Final answer
    x = 1,677,841.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.