Home / 3,931,469.36-5,427,101.72-2,643,057

Finding the Fourth Proportional to 3,931,469.36, 5,427,101.72 and 2,643,057

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Solution

The fourth proportional to 3,931,469.36, 5,427,101.72 and 2,643,057 is: 3,648,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,469.36 : 5,427,101.72 = 2,643,057 : x
  2. Step 2: Convert to fraction form
    3,931,469.36/5,427,101.72 = 2,643,057/x
  3. Step 3: Cross multiply
    3,931,469.36x = 5,427,101.72 × 2,643,057
  4. Step 4: Simplify right side
    3,931,469.36x = 14,344,139,190,758.04
  5. Step 5: Solve for x
    x = 14,344,139,190,758.04/3,931,469.36
  6. Step 6: Final answer
    x = 3,648,544.06

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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.