Home / 2,399,166.24-3,310,938.48-1,311,511.68

Finding the Fourth Proportional to 2,399,166.24, 3,310,938.48 and 1,311,511.68

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Solution

The fourth proportional to 2,399,166.24, 3,310,938.48 and 1,311,511.68 is: 1,809,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,399,166.24 : 3,310,938.48 = 1,311,511.68 : x
  2. Step 2: Convert to fraction form
    2,399,166.24/3,310,938.48 = 1,311,511.68/x
  3. Step 3: Cross multiply
    2,399,166.24x = 3,310,938.48 × 1,311,511.68
  4. Step 4: Simplify right side
    2,399,166.24x = 4,342,334,488,281.45
  5. Step 5: Solve for x
    x = 4,342,334,488,281.45/2,399,166.24
  6. Step 6: Final answer
    x = 1,809,934.81

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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.