Home / 4,198,530.40-6,288,464.40-3,638,658.40

Finding the Fourth Proportional to 4,198,530.40, 6,288,464.40 and 3,638,658.40

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Solution

The fourth proportional to 4,198,530.40, 6,288,464.40 and 3,638,658.40 is: 5,449,900.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198,530.40 : 6,288,464.40 = 3,638,658.40 : x
  2. Step 2: Convert to fraction form
    4,198,530.40/6,288,464.40 = 3,638,658.40/x
  3. Step 3: Cross multiply
    4,198,530.40x = 6,288,464.40 × 3,638,658.40
  4. Step 4: Simplify right side
    4,198,530.40x = 22,881,573,812,160.96
  5. Step 5: Solve for x
    x = 22,881,573,812,160.96/4,198,530.40
  6. Step 6: Final answer
    x = 5,449,900.71

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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.