Home / 1,815,072.30-2,722,608.45-1,619,117.10

Finding the Fourth Proportional to 1,815,072.30, 2,722,608.45 and 1,619,117.10

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Solution

The fourth proportional to 1,815,072.30, 2,722,608.45 and 1,619,117.10 is: 2,428,675.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,072.30 : 2,722,608.45 = 1,619,117.10 : x
  2. Step 2: Convert to fraction form
    1,815,072.30/2,722,608.45 = 1,619,117.10/x
  3. Step 3: Cross multiply
    1,815,072.30x = 2,722,608.45 × 1,619,117.10
  4. Step 4: Simplify right side
    1,815,072.30x = 4,408,221,897,999.50
  5. Step 5: Solve for x
    x = 4,408,221,897,999.50/1,815,072.30
  6. Step 6: Final answer
    x = 2,428,675.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.