Home / 3,895,395.68-5,375,924.16-2,153,027.72

Finding the Fourth Proportional to 3,895,395.68, 5,375,924.16 and 2,153,027.72

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Solution

The fourth proportional to 3,895,395.68, 5,375,924.16 and 2,153,027.72 is: 2,971,331.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895,395.68 : 5,375,924.16 = 2,153,027.72 : x
  2. Step 2: Convert to fraction form
    3,895,395.68/5,375,924.16 = 2,153,027.72/x
  3. Step 3: Cross multiply
    3,895,395.68x = 5,375,924.16 × 2,153,027.72
  4. Step 4: Simplify right side
    3,895,395.68x = 11,574,513,737,097.72
  5. Step 5: Solve for x
    x = 11,574,513,737,097.72/3,895,395.68
  6. Step 6: Final answer
    x = 2,971,331.97

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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.