Home / 2,207,930.89-3,046,497.54-1,289,982.60

Finding the Fourth Proportional to 2,207,930.89, 3,046,497.54 and 1,289,982.60

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Solution

The fourth proportional to 2,207,930.89, 3,046,497.54 and 1,289,982.60 is: 1,779,914.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,930.89 : 3,046,497.54 = 1,289,982.60 : x
  2. Step 2: Convert to fraction form
    2,207,930.89/3,046,497.54 = 1,289,982.60/x
  3. Step 3: Cross multiply
    2,207,930.89x = 3,046,497.54 × 1,289,982.60
  4. Step 4: Simplify right side
    2,207,930.89x = 3,929,928,817,542.80
  5. Step 5: Solve for x
    x = 3,929,928,817,542.80/2,207,930.89
  6. Step 6: Final answer
    x = 1,779,914.78

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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.