Home / 3,380,690.88-5,071,221.12-856,368

Finding the Fourth Proportional to 3,380,690.88, 5,071,221.12 and 856,368

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Solution

The fourth proportional to 3,380,690.88, 5,071,221.12 and 856,368 is: 1,284,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380,690.88 : 5,071,221.12 = 856,368 : x
  2. Step 2: Convert to fraction form
    3,380,690.88/5,071,221.12 = 856,368/x
  3. Step 3: Cross multiply
    3,380,690.88x = 5,071,221.12 × 856,368
  4. Step 4: Simplify right side
    3,380,690.88x = 4,342,831,488,092.16
  5. Step 5: Solve for x
    x = 4,342,831,488,092.16/3,380,690.88
  6. Step 6: Final answer
    x = 1,284,598.81

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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.