Home / 3,688,736.96-5,090,868.96-2,162,135.36

Finding the Fourth Proportional to 3,688,736.96, 5,090,868.96 and 2,162,135.36

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Solution

The fourth proportional to 3,688,736.96, 5,090,868.96 and 2,162,135.36 is: 2,983,988.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688,736.96 : 5,090,868.96 = 2,162,135.36 : x
  2. Step 2: Convert to fraction form
    3,688,736.96/5,090,868.96 = 2,162,135.36/x
  3. Step 3: Cross multiply
    3,688,736.96x = 5,090,868.96 × 2,162,135.36
  4. Step 4: Simplify right side
    3,688,736.96x = 11,007,147,791,542.43
  5. Step 5: Solve for x
    x = 11,007,147,791,542.43/3,688,736.96
  6. Step 6: Final answer
    x = 2,983,988.26

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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.