Home / 2,288,812.40-3,433,218.60-691,208.90

Finding the Fourth Proportional to 2,288,812.40, 3,433,218.60 and 691,208.90

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Solution

The fourth proportional to 2,288,812.40, 3,433,218.60 and 691,208.90 is: 1,036,813.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288,812.40 : 3,433,218.60 = 691,208.90 : x
  2. Step 2: Convert to fraction form
    2,288,812.40/3,433,218.60 = 691,208.90/x
  3. Step 3: Cross multiply
    2,288,812.40x = 3,433,218.60 × 691,208.90
  4. Step 4: Simplify right side
    2,288,812.40x = 2,373,071,251,965.54
  5. Step 5: Solve for x
    x = 2,373,071,251,965.54/2,288,812.40
  6. Step 6: Final answer
    x = 1,036,813.35

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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.