Home / 3,479,817.56-4,802,200.48-1,931,179.56

Finding the Fourth Proportional to 3,479,817.56, 4,802,200.48 and 1,931,179.56

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Solution

The fourth proportional to 3,479,817.56, 4,802,200.48 and 1,931,179.56 is: 2,665,056.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,817.56 : 4,802,200.48 = 1,931,179.56 : x
  2. Step 2: Convert to fraction form
    3,479,817.56/4,802,200.48 = 1,931,179.56/x
  3. Step 3: Cross multiply
    3,479,817.56x = 4,802,200.48 × 1,931,179.56
  4. Step 4: Simplify right side
    3,479,817.56x = 9,273,911,403,800.55
  5. Step 5: Solve for x
    x = 9,273,911,403,800.55/3,479,817.56
  6. Step 6: Final answer
    x = 2,665,056.79

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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.