Home / 3,394,837.20-4,684,781.76-1,866,944.28

Finding the Fourth Proportional to 3,394,837.20, 4,684,781.76 and 1,866,944.28

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Solution

The fourth proportional to 3,394,837.20, 4,684,781.76 and 1,866,944.28 is: 2,576,331.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,394,837.20 : 4,684,781.76 = 1,866,944.28 : x
  2. Step 2: Convert to fraction form
    3,394,837.20/4,684,781.76 = 1,866,944.28/x
  3. Step 3: Cross multiply
    3,394,837.20x = 4,684,781.76 × 1,866,944.28
  4. Step 4: Simplify right side
    3,394,837.20x = 8,746,226,509,880.33
  5. Step 5: Solve for x
    x = 8,746,226,509,880.33/3,394,837.20
  6. Step 6: Final answer
    x = 2,576,331.65

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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.