Home / 3,531,885.75-5,298,618.38-1,288,023.75

Finding the Fourth Proportional to 3,531,885.75, 5,298,618.38 and 1,288,023.75

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Solution

The fourth proportional to 3,531,885.75, 5,298,618.38 and 1,288,023.75 is: 1,932,323.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,885.75 : 5,298,618.38 = 1,288,023.75 : x
  2. Step 2: Convert to fraction form
    3,531,885.75/5,298,618.38 = 1,288,023.75/x
  3. Step 3: Cross multiply
    3,531,885.75x = 5,298,618.38 × 1,288,023.75
  4. Step 4: Simplify right side
    3,531,885.75x = 6,824,746,309,186.41
  5. Step 5: Solve for x
    x = 6,824,746,309,186.41/3,531,885.75
  6. Step 6: Final answer
    x = 1,932,323.63

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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.