Home / 4,140,705.30-6,212,325.52-2,120,379.68

Finding the Fourth Proportional to 4,140,705.30, 6,212,325.52 and 2,120,379.68

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Solution

The fourth proportional to 4,140,705.30, 6,212,325.52 and 2,120,379.68 is: 3,181,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140,705.30 : 6,212,325.52 = 2,120,379.68 : x
  2. Step 2: Convert to fraction form
    4,140,705.30/6,212,325.52 = 2,120,379.68/x
  3. Step 3: Cross multiply
    4,140,705.30x = 6,212,325.52 × 2,120,379.68
  4. Step 4: Simplify right side
    4,140,705.30x = 13,172,488,798,153.43
  5. Step 5: Solve for x
    x = 13,172,488,798,153.43/4,140,705.30
  6. Step 6: Final answer
    x = 3,181,218.62

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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.