Home / 4,489,619.40-6,734,429.10-4,418,760.60

Finding the Fourth Proportional to 4,489,619.40, 6,734,429.10 and 4,418,760.60

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Solution

The fourth proportional to 4,489,619.40, 6,734,429.10 and 4,418,760.60 is: 6,628,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489,619.40 : 6,734,429.10 = 4,418,760.60 : x
  2. Step 2: Convert to fraction form
    4,489,619.40/6,734,429.10 = 4,418,760.60/x
  3. Step 3: Cross multiply
    4,489,619.40x = 6,734,429.10 × 4,418,760.60
  4. Step 4: Simplify right side
    4,489,619.40x = 29,757,829,970,573.46
  5. Step 5: Solve for x
    x = 29,757,829,970,573.46/4,489,619.40
  6. Step 6: Final answer
    x = 6,628,140.90

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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.