Home / 2,098,015.80-3,149,388.90-1,389,427.80

Finding the Fourth Proportional to 2,098,015.80, 3,149,388.90 and 1,389,427.80

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Solution

The fourth proportional to 2,098,015.80, 3,149,388.90 and 1,389,427.80 is: 2,085,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098,015.80 : 3,149,388.90 = 1,389,427.80 : x
  2. Step 2: Convert to fraction form
    2,098,015.80/3,149,388.90 = 1,389,427.80/x
  3. Step 3: Cross multiply
    2,098,015.80x = 3,149,388.90 × 1,389,427.80
  4. Step 4: Simplify right side
    2,098,015.80x = 4,375,848,490,671.42
  5. Step 5: Solve for x
    x = 4,375,848,490,671.42/2,098,015.80
  6. Step 6: Final answer
    x = 2,085,708.07

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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.