Home / 2,587,721.52-3,882,172.77-790,860.45

Finding the Fourth Proportional to 2,587,721.52, 3,882,172.77 and 790,860.45

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Solution

The fourth proportional to 2,587,721.52, 3,882,172.77 and 790,860.45 is: 1,186,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587,721.52 : 3,882,172.77 = 790,860.45 : x
  2. Step 2: Convert to fraction form
    2,587,721.52/3,882,172.77 = 790,860.45/x
  3. Step 3: Cross multiply
    2,587,721.52x = 3,882,172.77 × 790,860.45
  4. Step 4: Simplify right side
    2,587,721.52x = 3,070,256,903,859.95
  5. Step 5: Solve for x
    x = 3,070,256,903,859.95/2,587,721.52
  6. Step 6: Final answer
    x = 1,186,471.14

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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.