Home / 6,440,991.10-9,661,480.44-1,648,672.72

Finding the Fourth Proportional to 6,440,991.10, 9,661,480.44 and 1,648,672.72

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Solution

The fourth proportional to 6,440,991.10, 9,661,480.44 and 1,648,672.72 is: 2,473,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440,991.10 : 9,661,480.44 = 1,648,672.72 : x
  2. Step 2: Convert to fraction form
    6,440,991.10/9,661,480.44 = 1,648,672.72/x
  3. Step 3: Cross multiply
    6,440,991.10x = 9,661,480.44 × 1,648,672.72
  4. Step 4: Simplify right side
    6,440,991.10x = 15,928,619,236,241.60
  5. Step 5: Solve for x
    x = 15,928,619,236,241.60/6,440,991.10
  6. Step 6: Final answer
    x = 2,473,007.49

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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.