Home / 3,889,748.80-5,831,998.80-1,868,960.80

Finding the Fourth Proportional to 3,889,748.80, 5,831,998.80 and 1,868,960.80

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Solution

The fourth proportional to 3,889,748.80, 5,831,998.80 and 1,868,960.80 is: 2,802,180.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,748.80 : 5,831,998.80 = 1,868,960.80 : x
  2. Step 2: Convert to fraction form
    3,889,748.80/5,831,998.80 = 1,868,960.80/x
  3. Step 3: Cross multiply
    3,889,748.80x = 5,831,998.80 × 1,868,960.80
  4. Step 4: Simplify right side
    3,889,748.80x = 10,899,777,142,847.04
  5. Step 5: Solve for x
    x = 10,899,777,142,847.04/3,889,748.80
  6. Step 6: Final answer
    x = 2,802,180.22

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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.