Home / 2,891,385.52-3,990,135.79-1,602,247.43

Finding the Fourth Proportional to 2,891,385.52, 3,990,135.79 and 1,602,247.43

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Solution

The fourth proportional to 2,891,385.52, 3,990,135.79 and 1,602,247.43 is: 2,211,114.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,385.52 : 3,990,135.79 = 1,602,247.43 : x
  2. Step 2: Convert to fraction form
    2,891,385.52/3,990,135.79 = 1,602,247.43/x
  3. Step 3: Cross multiply
    2,891,385.52x = 3,990,135.79 × 1,602,247.43
  4. Step 4: Simplify right side
    2,891,385.52x = 6,393,184,817,844.03
  5. Step 5: Solve for x
    x = 6,393,184,817,844.03/2,891,385.52
  6. Step 6: Final answer
    x = 2,211,114.63

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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.