Home / 5,250,970.80-7,876,456.20-1,261,882.80

Finding the Fourth Proportional to 5,250,970.80, 7,876,456.20 and 1,261,882.80

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Solution

The fourth proportional to 5,250,970.80, 7,876,456.20 and 1,261,882.80 is: 1,892,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,250,970.80 : 7,876,456.20 = 1,261,882.80 : x
  2. Step 2: Convert to fraction form
    5,250,970.80/7,876,456.20 = 1,261,882.80/x
  3. Step 3: Cross multiply
    5,250,970.80x = 7,876,456.20 × 1,261,882.80
  4. Step 4: Simplify right side
    5,250,970.80x = 9,939,164,603,733.36
  5. Step 5: Solve for x
    x = 9,939,164,603,733.36/5,250,970.80
  6. Step 6: Final answer
    x = 1,892,824.20

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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.