Home / 3,552,897.86-5,329,297.20-857,200.40

Finding the Fourth Proportional to 3,552,897.86, 5,329,297.20 and 857,200.40

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Solution

The fourth proportional to 3,552,897.86, 5,329,297.20 and 857,200.40 is: 1,285,788.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552,897.86 : 5,329,297.20 = 857,200.40 : x
  2. Step 2: Convert to fraction form
    3,552,897.86/5,329,297.20 = 857,200.40/x
  3. Step 3: Cross multiply
    3,552,897.86x = 5,329,297.20 × 857,200.40
  4. Step 4: Simplify right side
    3,552,897.86x = 4,568,275,691,558.88
  5. Step 5: Solve for x
    x = 4,568,275,691,558.88/3,552,897.86
  6. Step 6: Final answer
    x = 1,285,788.64

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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.