Home / 2,891,368.82-3,990,112.41-1,602,230.73

Finding the Fourth Proportional to 2,891,368.82, 3,990,112.41 and 1,602,230.73

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Solution

The fourth proportional to 2,891,368.82, 3,990,112.41 and 1,602,230.73 is: 2,211,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,368.82 : 3,990,112.41 = 1,602,230.73 : x
  2. Step 2: Convert to fraction form
    2,891,368.82/3,990,112.41 = 1,602,230.73/x
  3. Step 3: Cross multiply
    2,891,368.82x = 3,990,112.41 × 1,602,230.73
  4. Step 4: Simplify right side
    2,891,368.82x = 6,393,080,719,456.36
  5. Step 5: Solve for x
    x = 6,393,080,719,456.36/2,891,368.82
  6. Step 6: Final answer
    x = 2,211,091.40

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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.