Home / 3,862,582.72-5,330,115.84-2,143,704.40

Finding the Fourth Proportional to 3,862,582.72, 5,330,115.84 and 2,143,704.40

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Solution

The fourth proportional to 3,862,582.72, 5,330,115.84 and 2,143,704.40 is: 2,958,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862,582.72 : 5,330,115.84 = 2,143,704.40 : x
  2. Step 2: Convert to fraction form
    3,862,582.72/5,330,115.84 = 2,143,704.40/x
  3. Step 3: Cross multiply
    3,862,582.72x = 5,330,115.84 × 2,143,704.40
  4. Step 4: Simplify right side
    3,862,582.72x = 11,426,192,778,717.70
  5. Step 5: Solve for x
    x = 11,426,192,778,717.70/3,862,582.72
  6. Step 6: Final answer
    x = 2,958,174.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.