Home / 2,850,309.30-4,275,610.95-720,411.86

Finding the Fourth Proportional to 2,850,309.30, 4,275,610.95 and 720,411.86

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Solution

The fourth proportional to 2,850,309.30, 4,275,610.95 and 720,411.86 is: 1,080,654.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,850,309.30 : 4,275,610.95 = 720,411.86 : x
  2. Step 2: Convert to fraction form
    2,850,309.30/4,275,610.95 = 720,411.86/x
  3. Step 3: Cross multiply
    2,850,309.30x = 4,275,610.95 × 720,411.86
  4. Step 4: Simplify right side
    2,850,309.30x = 3,080,200,837,125.87
  5. Step 5: Solve for x
    x = 3,080,200,837,125.87/2,850,309.30
  6. Step 6: Final answer
    x = 1,080,654.94

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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.