Home / 6,990,558.60-10,486,211.59-2,198,621.53

Finding the Fourth Proportional to 6,990,558.60, 10,486,211.59 and 2,198,621.53

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Solution

The fourth proportional to 6,990,558.60, 10,486,211.59 and 2,198,621.53 is: 3,298,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,558.60 : 10,486,211.59 = 2,198,621.53 : x
  2. Step 2: Convert to fraction form
    6,990,558.60/10,486,211.59 = 2,198,621.53/x
  3. Step 3: Cross multiply
    6,990,558.60x = 10,486,211.59 × 2,198,621.53
  4. Step 4: Simplify right side
    6,990,558.60x = 23,055,210,517,478.47
  5. Step 5: Solve for x
    x = 23,055,210,517,478.47/6,990,558.60
  6. Step 6: Final answer
    x = 3,298,049.82

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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.