Home / 2,290,420.80-3,161,125.44-1,647,967.68

Finding the Fourth Proportional to 2,290,420.80, 3,161,125.44 and 1,647,967.68

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Solution

The fourth proportional to 2,290,420.80, 3,161,125.44 and 1,647,967.68 is: 2,274,443.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,420.80 : 3,161,125.44 = 1,647,967.68 : x
  2. Step 2: Convert to fraction form
    2,290,420.80/3,161,125.44 = 1,647,967.68/x
  3. Step 3: Cross multiply
    2,290,420.80x = 3,161,125.44 × 1,647,967.68
  4. Step 4: Simplify right side
    2,290,420.80x = 5,209,432,557,545.78
  5. Step 5: Solve for x
    x = 5,209,432,557,545.78/2,290,420.80
  6. Step 6: Final answer
    x = 2,274,443.44

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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.