Home / 3,084,741.78-4,624,092.49-1,288,139.05

Finding the Fourth Proportional to 3,084,741.78, 4,624,092.49 and 1,288,139.05

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Solution

The fourth proportional to 3,084,741.78, 4,624,092.49 and 1,288,139.05 is: 1,930,947.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,084,741.78 : 4,624,092.49 = 1,288,139.05 : x
  2. Step 2: Convert to fraction form
    3,084,741.78/4,624,092.49 = 1,288,139.05/x
  3. Step 3: Cross multiply
    3,084,741.78x = 4,624,092.49 × 1,288,139.05
  4. Step 4: Simplify right side
    3,084,741.78x = 5,956,474,108,532.87
  5. Step 5: Solve for x
    x = 5,956,474,108,532.87/3,084,741.78
  6. Step 6: Final answer
    x = 1,930,947.40

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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.