Home / 2,165,010.35-2,987,808.05-1,198,140.95

Finding the Fourth Proportional to 2,165,010.35, 2,987,808.05 and 1,198,140.95

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Solution

The fourth proportional to 2,165,010.35, 2,987,808.05 and 1,198,140.95 is: 1,653,486.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165,010.35 : 2,987,808.05 = 1,198,140.95 : x
  2. Step 2: Convert to fraction form
    2,165,010.35/2,987,808.05 = 1,198,140.95/x
  3. Step 3: Cross multiply
    2,165,010.35x = 2,987,808.05 × 1,198,140.95
  4. Step 4: Simplify right side
    2,165,010.35x = 3,579,815,185,909.52
  5. Step 5: Solve for x
    x = 3,579,815,185,909.52/2,165,010.35
  6. Step 6: Final answer
    x = 1,653,486.41

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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.