Home / 2,173,790.52-2,999,838.24-1,206,923.76

Finding the Fourth Proportional to 2,173,790.52, 2,999,838.24 and 1,206,923.76

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Solution

The fourth proportional to 2,173,790.52, 2,999,838.24 and 1,206,923.76 is: 1,665,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,790.52 : 2,999,838.24 = 1,206,923.76 : x
  2. Step 2: Convert to fraction form
    2,173,790.52/2,999,838.24 = 1,206,923.76/x
  3. Step 3: Cross multiply
    2,173,790.52x = 2,999,838.24 × 1,206,923.76
  4. Step 4: Simplify right side
    2,173,790.52x = 3,620,576,048,012.58
  5. Step 5: Solve for x
    x = 3,620,576,048,012.58/2,173,790.52
  6. Step 6: Final answer
    x = 1,665,558.85

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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.