Home / 7,121,829.41-10,682,757.47-1,730,484.39

Finding the Fourth Proportional to 7,121,829.41, 10,682,757.47 and 1,730,484.39

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Solution

The fourth proportional to 7,121,829.41, 10,682,757.47 and 1,730,484.39 is: 2,595,729.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,829.41 : 10,682,757.47 = 1,730,484.39 : x
  2. Step 2: Convert to fraction form
    7,121,829.41/10,682,757.47 = 1,730,484.39/x
  3. Step 3: Cross multiply
    7,121,829.41x = 10,682,757.47 × 1,730,484.39
  4. Step 4: Simplify right side
    7,121,829.41x = 18,486,345,043,990.89
  5. Step 5: Solve for x
    x = 18,486,345,043,990.89/7,121,829.41
  6. Step 6: Final answer
    x = 2,595,729.83

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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.