Home / 2,587,910.40-3,882,448.80-790,876.80

Finding the Fourth Proportional to 2,587,910.40, 3,882,448.80 and 790,876.80

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Solution

The fourth proportional to 2,587,910.40, 3,882,448.80 and 790,876.80 is: 1,186,493.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,910.40 : 3,882,448.80 = 790,876.80 : x
  2. Step 2: Convert to fraction form
    2,587,910.40/3,882,448.80 = 790,876.80/x
  3. Step 3: Cross multiply
    2,587,910.40x = 3,882,448.80 × 790,876.80
  4. Step 4: Simplify right side
    2,587,910.40x = 3,070,538,683,107.84
  5. Step 5: Solve for x
    x = 3,070,538,683,107.84/2,587,910.40
  6. Step 6: Final answer
    x = 1,186,493.43

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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.