Home / 1,643,004.18-2,278,945.44-1,599,307.92

Finding the Fourth Proportional to 1,643,004.18, 2,278,945.44 and 1,599,307.92

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Solution

The fourth proportional to 1,643,004.18, 2,278,945.44 and 1,599,307.92 is: 2,218,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,004.18 : 2,278,945.44 = 1,599,307.92 : x
  2. Step 2: Convert to fraction form
    1,643,004.18/2,278,945.44 = 1,599,307.92/x
  3. Step 3: Cross multiply
    1,643,004.18x = 2,278,945.44 × 1,599,307.92
  4. Step 4: Simplify right side
    1,643,004.18x = 3,644,735,491,439.89
  5. Step 5: Solve for x
    x = 3,644,735,491,439.89/1,643,004.18
  6. Step 6: Final answer
    x = 2,218,336.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.