Home / 4,879,115.22-7,319,031.93-1,284,856.86

Finding the Fourth Proportional to 4,879,115.22, 7,319,031.93 and 1,284,856.86

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Solution

The fourth proportional to 4,879,115.22, 7,319,031.93 and 1,284,856.86 is: 1,927,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879,115.22 : 7,319,031.93 = 1,284,856.86 : x
  2. Step 2: Convert to fraction form
    4,879,115.22/7,319,031.93 = 1,284,856.86/x
  3. Step 3: Cross multiply
    4,879,115.22x = 7,319,031.93 × 1,284,856.86
  4. Step 4: Simplify right side
    4,879,115.22x = 9,403,908,383,819.54
  5. Step 5: Solve for x
    x = 9,403,908,383,819.54/4,879,115.22
  6. Step 6: Final answer
    x = 1,927,379.85

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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.