Home / 2,966,309.82-4,449,878.33-917,137.68

Finding the Fourth Proportional to 2,966,309.82, 4,449,878.33 and 917,137.68

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Solution

The fourth proportional to 2,966,309.82, 4,449,878.33 and 917,137.68 is: 1,375,834.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,966,309.82 : 4,449,878.33 = 917,137.68 : x
  2. Step 2: Convert to fraction form
    2,966,309.82/4,449,878.33 = 917,137.68/x
  3. Step 3: Cross multiply
    2,966,309.82x = 4,449,878.33 × 917,137.68
  4. Step 4: Simplify right side
    2,966,309.82x = 4,081,151,087,858.47
  5. Step 5: Solve for x
    x = 4,081,151,087,858.47/2,966,309.82
  6. Step 6: Final answer
    x = 1,375,834.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.