Home / 3,120,508.64-4,680,427.62-2,116,077.86

Finding the Fourth Proportional to 3,120,508.64, 4,680,427.62 and 2,116,077.86

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Solution

The fourth proportional to 3,120,508.64, 4,680,427.62 and 2,116,077.86 is: 3,173,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,508.64 : 4,680,427.62 = 2,116,077.86 : x
  2. Step 2: Convert to fraction form
    3,120,508.64/4,680,427.62 = 2,116,077.86/x
  3. Step 3: Cross multiply
    3,120,508.64x = 4,680,427.62 × 2,116,077.86
  4. Step 4: Simplify right side
    3,120,508.64x = 9,904,149,262,014.49
  5. Step 5: Solve for x
    x = 9,904,149,262,014.49/3,120,508.64
  6. Step 6: Final answer
    x = 3,173,889.39

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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.