Home / 1,998,000.55-2,993,556.30-930,853.90

Finding the Fourth Proportional to 1,998,000.55, 2,993,556.30 and 930,853.90

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Solution

The fourth proportional to 1,998,000.55, 2,993,556.30 and 930,853.90 is: 1,394,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,000.55 : 2,993,556.30 = 930,853.90 : x
  2. Step 2: Convert to fraction form
    1,998,000.55/2,993,556.30 = 930,853.90/x
  3. Step 3: Cross multiply
    1,998,000.55x = 2,993,556.30 × 930,853.90
  4. Step 4: Simplify right side
    1,998,000.55x = 2,786,563,556,724.57
  5. Step 5: Solve for x
    x = 2,786,563,556,724.57/1,998,000.55
  6. Step 6: Final answer
    x = 1,394,676.07

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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.