Home / 2,528,212.67-3,488,078.87-1,439,712.39

Finding the Fourth Proportional to 2,528,212.67, 3,488,078.87 and 1,439,712.39

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Solution

The fourth proportional to 2,528,212.67, 3,488,078.87 and 1,439,712.39 is: 1,986,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,528,212.67 : 3,488,078.87 = 1,439,712.39 : x
  2. Step 2: Convert to fraction form
    2,528,212.67/3,488,078.87 = 1,439,712.39/x
  3. Step 3: Cross multiply
    2,528,212.67x = 3,488,078.87 × 1,439,712.39
  4. Step 4: Simplify right side
    2,528,212.67x = 5,021,830,377,716.85
  5. Step 5: Solve for x
    x = 5,021,830,377,716.85/2,528,212.67
  6. Step 6: Final answer
    x = 1,986,316.44

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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.