Home / 3,689,679.88-5,091,884.40-2,140,824.64

Finding the Fourth Proportional to 3,689,679.88, 5,091,884.40 and 2,140,824.64

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Solution

The fourth proportional to 3,689,679.88, 5,091,884.40 and 2,140,824.64 is: 2,954,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,679.88 : 5,091,884.40 = 2,140,824.64 : x
  2. Step 2: Convert to fraction form
    3,689,679.88/5,091,884.40 = 2,140,824.64/x
  3. Step 3: Cross multiply
    3,689,679.88x = 5,091,884.40 × 2,140,824.64
  4. Step 4: Simplify right side
    3,689,679.88x = 10,900,831,587,551.62
  5. Step 5: Solve for x
    x = 10,900,831,587,551.62/3,689,679.88
  6. Step 6: Final answer
    x = 2,954,411.21

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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.