Home / 3,942,441.87-5,439,541.64-2,309,972.12

Finding the Fourth Proportional to 3,942,441.87, 5,439,541.64 and 2,309,972.12

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Solution

The fourth proportional to 3,942,441.87, 5,439,541.64 and 2,309,972.12 is: 3,187,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,441.87 : 5,439,541.64 = 2,309,972.12 : x
  2. Step 2: Convert to fraction form
    3,942,441.87/5,439,541.64 = 2,309,972.12/x
  3. Step 3: Cross multiply
    3,942,441.87x = 5,439,541.64 × 2,309,972.12
  4. Step 4: Simplify right side
    3,942,441.87x = 12,565,189,495,231.51
  5. Step 5: Solve for x
    x = 12,565,189,495,231.51/3,942,441.87
  6. Step 6: Final answer
    x = 3,187,159.10

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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.