Home / 3,386,460.75-4,673,419.80-1,990,766.42

Finding the Fourth Proportional to 3,386,460.75, 4,673,419.80 and 1,990,766.42

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Solution

The fourth proportional to 3,386,460.75, 4,673,419.80 and 1,990,766.42 is: 2,747,318.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,460.75 : 4,673,419.80 = 1,990,766.42 : x
  2. Step 2: Convert to fraction form
    3,386,460.75/4,673,419.80 = 1,990,766.42/x
  3. Step 3: Cross multiply
    3,386,460.75x = 4,673,419.80 × 1,990,766.42
  4. Step 4: Simplify right side
    3,386,460.75x = 9,303,687,204,403.12
  5. Step 5: Solve for x
    x = 9,303,687,204,403.12/3,386,460.75
  6. Step 6: Final answer
    x = 2,747,318.78

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.