Home / 2,891,347.72-3,990,049.10-1,602,187.08

Finding the Fourth Proportional to 2,891,347.72, 3,990,049.10 and 1,602,187.08

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Solution

The fourth proportional to 2,891,347.72, 3,990,049.10 and 1,602,187.08 is: 2,211,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,347.72 : 3,990,049.10 = 1,602,187.08 : x
  2. Step 2: Convert to fraction form
    2,891,347.72/3,990,049.10 = 1,602,187.08/x
  3. Step 3: Cross multiply
    2,891,347.72x = 3,990,049.10 × 1,602,187.08
  4. Step 4: Simplify right side
    2,891,347.72x = 6,392,805,099,620.21
  5. Step 5: Solve for x
    x = 6,392,805,099,620.21/2,891,347.72
  6. Step 6: Final answer
    x = 2,211,012.21

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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.