Home / 1,998,337.05-2,994,061.05-931,190.40

Finding the Fourth Proportional to 1,998,337.05, 2,994,061.05 and 931,190.40

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Solution

The fourth proportional to 1,998,337.05, 2,994,061.05 and 931,190.40 is: 1,395,180.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,998,337.05 : 2,994,061.05 = 931,190.40 : x
  2. Step 2: Convert to fraction form
    1,998,337.05/2,994,061.05 = 931,190.40/x
  3. Step 3: Cross multiply
    1,998,337.05x = 2,994,061.05 × 931,190.40
  4. Step 4: Simplify right side
    1,998,337.05x = 2,788,040,906,773.92
  5. Step 5: Solve for x
    x = 2,788,040,906,773.92/1,998,337.05
  6. Step 6: Final answer
    x = 1,395,180.51

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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.