Home / 2,908,125.76-4,363,078.92-1,489,186.48

Finding the Fourth Proportional to 2,908,125.76, 4,363,078.92 and 1,489,186.48

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Solution

The fourth proportional to 2,908,125.76, 4,363,078.92 and 1,489,186.48 is: 2,234,235.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908,125.76 : 4,363,078.92 = 1,489,186.48 : x
  2. Step 2: Convert to fraction form
    2,908,125.76/4,363,078.92 = 1,489,186.48/x
  3. Step 3: Cross multiply
    2,908,125.76x = 4,363,078.92 × 1,489,186.48
  4. Step 4: Simplify right side
    2,908,125.76x = 6,497,438,138,837.00
  5. Step 5: Solve for x
    x = 6,497,438,138,837.00/2,908,125.76
  6. Step 6: Final answer
    x = 2,234,235.61

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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.