Home / 2,890,618.97-3,990,926.03-1,858,590.27

Finding the Fourth Proportional to 2,890,618.97, 3,990,926.03 and 1,858,590.27

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Solution

The fourth proportional to 2,890,618.97, 3,990,926.03 and 1,858,590.27 is: 2,566,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,618.97 : 3,990,926.03 = 1,858,590.27 : x
  2. Step 2: Convert to fraction form
    2,890,618.97/3,990,926.03 = 1,858,590.27/x
  3. Step 3: Cross multiply
    2,890,618.97x = 3,990,926.03 × 1,858,590.27
  4. Step 4: Simplify right side
    2,890,618.97x = 7,417,496,278,354.78
  5. Step 5: Solve for x
    x = 7,417,496,278,354.78/2,890,618.97
  6. Step 6: Final answer
    x = 2,566,058.12

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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.