Home / 2,619,611.20-3,929,416.80-2,495,608.30

Finding the Fourth Proportional to 2,619,611.20, 3,929,416.80 and 2,495,608.30

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Solution

The fourth proportional to 2,619,611.20, 3,929,416.80 and 2,495,608.30 is: 3,743,412.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,611.20 : 3,929,416.80 = 2,495,608.30 : x
  2. Step 2: Convert to fraction form
    2,619,611.20/3,929,416.80 = 2,495,608.30/x
  3. Step 3: Cross multiply
    2,619,611.20x = 3,929,416.80 × 2,495,608.30
  4. Step 4: Simplify right side
    2,619,611.20x = 9,806,285,180,239.44
  5. Step 5: Solve for x
    x = 9,806,285,180,239.44/2,619,611.20
  6. Step 6: Final answer
    x = 3,743,412.45

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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.