Home / 2,891,390.97-3,990,142.98-1,602,252.89

Finding the Fourth Proportional to 2,891,390.97, 3,990,142.98 and 1,602,252.89

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Solution

The fourth proportional to 2,891,390.97, 3,990,142.98 and 1,602,252.89 is: 2,211,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,390.97 : 3,990,142.98 = 1,602,252.89 : x
  2. Step 2: Convert to fraction form
    2,891,390.97/3,990,142.98 = 1,602,252.89/x
  3. Step 3: Cross multiply
    2,891,390.97x = 3,990,142.98 × 1,602,252.89
  4. Step 4: Simplify right side
    2,891,390.97x = 6,393,218,101,267.50
  5. Step 5: Solve for x
    x = 6,393,218,101,267.50/2,891,390.97
  6. Step 6: Final answer
    x = 2,211,121.97

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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.