Home / 1,998,092.10-2,757,619.63-1,310,342.56

Finding the Fourth Proportional to 1,998,092.10, 2,757,619.63 and 1,310,342.56

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Solution

The fourth proportional to 1,998,092.10, 2,757,619.63 and 1,310,342.56 is: 1,808,438.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,092.10 : 2,757,619.63 = 1,310,342.56 : x
  2. Step 2: Convert to fraction form
    1,998,092.10/2,757,619.63 = 1,310,342.56/x
  3. Step 3: Cross multiply
    1,998,092.10x = 2,757,619.63 × 1,310,342.56
  4. Step 4: Simplify right side
    1,998,092.10x = 3,613,426,365,480.45
  5. Step 5: Solve for x
    x = 3,613,426,365,480.45/1,998,092.10
  6. Step 6: Final answer
    x = 1,808,438.34

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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.