Home / 1,815,992.88-2,506,087.56-1,000,215.04

Finding the Fourth Proportional to 1,815,992.88, 2,506,087.56 and 1,000,215.04

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Solution

The fourth proportional to 1,815,992.88, 2,506,087.56 and 1,000,215.04 is: 1,380,306.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,992.88 : 2,506,087.56 = 1,000,215.04 : x
  2. Step 2: Convert to fraction form
    1,815,992.88/2,506,087.56 = 1,000,215.04/x
  3. Step 3: Cross multiply
    1,815,992.88x = 2,506,087.56 × 1,000,215.04
  4. Step 4: Simplify right side
    1,815,992.88x = 2,506,626,469,068.90
  5. Step 5: Solve for x
    x = 2,506,626,469,068.90/1,815,992.88
  6. Step 6: Final answer
    x = 1,380,306.33

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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.