Home / 3,530,806.74-5,289,120.64-2,988,741.78

Finding the Fourth Proportional to 3,530,806.74, 5,289,120.64 and 2,988,741.78

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Solution

The fourth proportional to 3,530,806.74, 5,289,120.64 and 2,988,741.78 is: 4,477,111.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530,806.74 : 5,289,120.64 = 2,988,741.78 : x
  2. Step 2: Convert to fraction form
    3,530,806.74/5,289,120.64 = 2,988,741.78/x
  3. Step 3: Cross multiply
    3,530,806.74x = 5,289,120.64 × 2,988,741.78
  4. Step 4: Simplify right side
    3,530,806.74x = 15,807,815,842,986.80
  5. Step 5: Solve for x
    x = 15,807,815,842,986.80/3,530,806.74
  6. Step 6: Final answer
    x = 4,477,111.60

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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.