Home / 3,942,417.10-5,439,507.44-2,309,947.36

Finding the Fourth Proportional to 3,942,417.10, 5,439,507.44 and 2,309,947.36

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Solution

The fourth proportional to 3,942,417.10, 5,439,507.44 and 2,309,947.36 is: 3,187,124.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,417.10 : 5,439,507.44 = 2,309,947.36 : x
  2. Step 2: Convert to fraction form
    3,942,417.10/5,439,507.44 = 2,309,947.36/x
  3. Step 3: Cross multiply
    3,942,417.10x = 5,439,507.44 × 2,309,947.36
  4. Step 4: Simplify right side
    3,942,417.10x = 12,564,975,850,728.36
  5. Step 5: Solve for x
    x = 12,564,975,850,728.36/3,942,417.10
  6. Step 6: Final answer
    x = 3,187,124.94

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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.