Home / 5,476,079.20-8,215,285.20-1,689,944.80

Finding the Fourth Proportional to 5,476,079.20, 8,215,285.20 and 1,689,944.80

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Solution

The fourth proportional to 5,476,079.20, 8,215,285.20 and 1,689,944.80 is: 2,535,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,476,079.20 : 8,215,285.20 = 1,689,944.80 : x
  2. Step 2: Convert to fraction form
    5,476,079.20/8,215,285.20 = 1,689,944.80/x
  3. Step 3: Cross multiply
    5,476,079.20x = 8,215,285.20 × 1,689,944.80
  4. Step 4: Simplify right side
    5,476,079.20x = 13,883,378,504,256.96
  5. Step 5: Solve for x
    x = 13,883,378,504,256.96/5,476,079.20
  6. Step 6: Final answer
    x = 2,535,277.16

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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.