Home / 6,990,549.88-10,486,198.48-2,198,612.81

Finding the Fourth Proportional to 6,990,549.88, 10,486,198.48 and 2,198,612.81

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Solution

The fourth proportional to 6,990,549.88, 10,486,198.48 and 2,198,612.81 is: 3,298,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,549.88 : 10,486,198.48 = 2,198,612.81 : x
  2. Step 2: Convert to fraction form
    6,990,549.88/10,486,198.48 = 2,198,612.81/x
  3. Step 3: Cross multiply
    6,990,549.88x = 10,486,198.48 × 2,198,612.81
  4. Step 4: Simplify right side
    6,990,549.88x = 23,055,090,306,330.53
  5. Step 5: Solve for x
    x = 23,055,090,306,330.53/6,990,549.88
  6. Step 6: Final answer
    x = 3,298,036.74

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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.