Home / 2,891,385.11-3,990,135.23-1,602,247.03

Finding the Fourth Proportional to 2,891,385.11, 3,990,135.23 and 1,602,247.03

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Solution

The fourth proportional to 2,891,385.11, 3,990,135.23 and 1,602,247.03 is: 2,211,114.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,385.11 : 3,990,135.23 = 1,602,247.03 : x
  2. Step 2: Convert to fraction form
    2,891,385.11/3,990,135.23 = 1,602,247.03/x
  3. Step 3: Cross multiply
    2,891,385.11x = 3,990,135.23 × 1,602,247.03
  4. Step 4: Simplify right side
    2,891,385.11x = 6,393,182,321,565.87
  5. Step 5: Solve for x
    x = 6,393,182,321,565.87/2,891,385.11
  6. Step 6: Final answer
    x = 2,211,114.08

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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.