Home / 2,450,862.80-3,676,409.40-768,021.20

Finding the Fourth Proportional to 2,450,862.80, 3,676,409.40 and 768,021.20

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Solution

The fourth proportional to 2,450,862.80, 3,676,409.40 and 768,021.20 is: 1,152,067.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,450,862.80 : 3,676,409.40 = 768,021.20 : x
  2. Step 2: Convert to fraction form
    2,450,862.80/3,676,409.40 = 768,021.20/x
  3. Step 3: Cross multiply
    2,450,862.80x = 3,676,409.40 × 768,021.20
  4. Step 4: Simplify right side
    2,450,862.80x = 2,823,560,359,079.28
  5. Step 5: Solve for x
    x = 2,823,560,359,079.28/2,450,862.80
  6. Step 6: Final answer
    x = 1,152,067.90

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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.