Home / 2,191,926.80-3,287,890.20-1,436,099.60

Finding the Fourth Proportional to 2,191,926.80, 3,287,890.20 and 1,436,099.60

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Solution

The fourth proportional to 2,191,926.80, 3,287,890.20 and 1,436,099.60 is: 2,154,149.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,191,926.80 : 3,287,890.20 = 1,436,099.60 : x
  2. Step 2: Convert to fraction form
    2,191,926.80/3,287,890.20 = 1,436,099.60/x
  3. Step 3: Cross multiply
    2,191,926.80x = 3,287,890.20 × 1,436,099.60
  4. Step 4: Simplify right side
    2,191,926.80x = 4,721,737,801,063.92
  5. Step 5: Solve for x
    x = 4,721,737,801,063.92/2,191,926.80
  6. Step 6: Final answer
    x = 2,154,149.40

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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.