Home / 5,172,464.73-7,138,222.77-2,880,625.43

Finding the Fourth Proportional to 5,172,464.73, 7,138,222.77 and 2,880,625.43

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Solution

The fourth proportional to 5,172,464.73, 7,138,222.77 and 2,880,625.43 is: 3,975,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,464.73 : 7,138,222.77 = 2,880,625.43 : x
  2. Step 2: Convert to fraction form
    5,172,464.73/7,138,222.77 = 2,880,625.43/x
  3. Step 3: Cross multiply
    5,172,464.73x = 7,138,222.77 × 2,880,625.43
  4. Step 4: Simplify right side
    5,172,464.73x = 20,562,546,000,575.93
  5. Step 5: Solve for x
    x = 20,562,546,000,575.93/5,172,464.73
  6. Step 6: Final answer
    x = 3,975,386.41

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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.