Home / 1,998,050.05-2,993,630.55-930,903.40

Finding the Fourth Proportional to 1,998,050.05, 2,993,630.55 and 930,903.40

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Solution

The fourth proportional to 1,998,050.05, 2,993,630.55 and 930,903.40 is: 1,394,750.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,050.05 : 2,993,630.55 = 930,903.40 : x
  2. Step 2: Convert to fraction form
    1,998,050.05/2,993,630.55 = 930,903.40/x
  3. Step 3: Cross multiply
    1,998,050.05x = 2,993,630.55 × 930,903.40
  4. Step 4: Simplify right side
    1,998,050.05x = 2,786,780,857,338.87
  5. Step 5: Solve for x
    x = 2,786,780,857,338.87/1,998,050.05
  6. Step 6: Final answer
    x = 1,394,750.28

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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.