Home / 2,172,866.69-2,998,312.84-1,206,037.73

Finding the Fourth Proportional to 2,172,866.69, 2,998,312.84 and 1,206,037.73

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Solution

The fourth proportional to 2,172,866.69, 2,998,312.84 and 1,206,037.73 is: 1,664,197.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,866.69 : 2,998,312.84 = 1,206,037.73 : x
  2. Step 2: Convert to fraction form
    2,172,866.69/2,998,312.84 = 1,206,037.73/x
  3. Step 3: Cross multiply
    2,172,866.69x = 2,998,312.84 × 1,206,037.73
  4. Step 4: Simplify right side
    2,172,866.69x = 3,616,078,420,386.78
  5. Step 5: Solve for x
    x = 3,616,078,420,386.78/2,172,866.69
  6. Step 6: Final answer
    x = 1,664,197.09

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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.