Home / 5,175,998.94-7,143,410.06-3,111,682.81

Finding the Fourth Proportional to 5,175,998.94, 7,143,410.06 and 3,111,682.81

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Solution

The fourth proportional to 5,175,998.94, 7,143,410.06 and 3,111,682.81 is: 4,294,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,998.94 : 7,143,410.06 = 3,111,682.81 : x
  2. Step 2: Convert to fraction form
    5,175,998.94/7,143,410.06 = 3,111,682.81/x
  3. Step 3: Cross multiply
    5,175,998.94x = 7,143,410.06 × 3,111,682.81
  4. Step 4: Simplify right side
    5,175,998.94x = 22,228,026,288,483.07
  5. Step 5: Solve for x
    x = 22,228,026,288,483.07/5,175,998.94
  6. Step 6: Final answer
    x = 4,294,441.82

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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.