Home / 2,572,974.80-3,863,609.40-1,942,600.40

Finding the Fourth Proportional to 2,572,974.80, 3,863,609.40 and 1,942,600.40

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Solution

The fourth proportional to 2,572,974.80, 3,863,609.40 and 1,942,600.40 is: 2,917,031.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,974.80 : 3,863,609.40 = 1,942,600.40 : x
  2. Step 2: Convert to fraction form
    2,572,974.80/3,863,609.40 = 1,942,600.40/x
  3. Step 3: Cross multiply
    2,572,974.80x = 3,863,609.40 × 1,942,600.40
  4. Step 4: Simplify right side
    2,572,974.80x = 7,505,449,165,883.76
  5. Step 5: Solve for x
    x = 7,505,449,165,883.76/2,572,974.80
  6. Step 6: Final answer
    x = 2,917,031.74

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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.