Home / 5,210,380.44-7,190,367.21-2,887,311.76

Finding the Fourth Proportional to 5,210,380.44, 7,190,367.21 and 2,887,311.76

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Solution

The fourth proportional to 5,210,380.44, 7,190,367.21 and 2,887,311.76 is: 3,984,513.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,210,380.44 : 7,190,367.21 = 2,887,311.76 : x
  2. Step 2: Convert to fraction form
    5,210,380.44/7,190,367.21 = 2,887,311.76/x
  3. Step 3: Cross multiply
    5,210,380.44x = 7,190,367.21 × 2,887,311.76
  4. Step 4: Simplify right side
    5,210,380.44x = 20,760,831,804,151.39
  5. Step 5: Solve for x
    x = 20,760,831,804,151.39/5,210,380.44
  6. Step 6: Final answer
    x = 3,984,513.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.