Home / 7,288,045.20-10,932,067.80-2,239,347.60

Finding the Fourth Proportional to 7,288,045.20, 10,932,067.80 and 2,239,347.60

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Solution

The fourth proportional to 7,288,045.20, 10,932,067.80 and 2,239,347.60 is: 3,359,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,288,045.20 : 10,932,067.80 = 2,239,347.60 : x
  2. Step 2: Convert to fraction form
    7,288,045.20/10,932,067.80 = 2,239,347.60/x
  3. Step 3: Cross multiply
    7,288,045.20x = 10,932,067.80 × 2,239,347.60
  4. Step 4: Simplify right side
    7,288,045.20x = 24,480,699,790,967.28
  5. Step 5: Solve for x
    x = 24,480,699,790,967.28/7,288,045.20
  6. Step 6: Final answer
    x = 3,359,021.40

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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.