Home / 3,975,942.36-5,486,656.41-2,429,790.78

Finding the Fourth Proportional to 3,975,942.36, 5,486,656.41 and 2,429,790.78

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Solution

The fourth proportional to 3,975,942.36, 5,486,656.41 and 2,429,790.78 is: 3,353,023.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975,942.36 : 5,486,656.41 = 2,429,790.78 : x
  2. Step 2: Convert to fraction form
    3,975,942.36/5,486,656.41 = 2,429,790.78/x
  3. Step 3: Cross multiply
    3,975,942.36x = 5,486,656.41 × 2,429,790.78
  4. Step 4: Simplify right side
    3,975,942.36x = 13,331,427,158,045.90
  5. Step 5: Solve for x
    x = 13,331,427,158,045.90/3,975,942.36
  6. Step 6: Final answer
    x = 3,353,023.25

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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.