Home / 3,508,930.80-5,259,313.80-1,615,863.60

Finding the Fourth Proportional to 3,508,930.80, 5,259,313.80 and 1,615,863.60

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Solution

The fourth proportional to 3,508,930.80, 5,259,313.80 and 1,615,863.60 is: 2,421,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508,930.80 : 5,259,313.80 = 1,615,863.60 : x
  2. Step 2: Convert to fraction form
    3,508,930.80/5,259,313.80 = 1,615,863.60/x
  3. Step 3: Cross multiply
    3,508,930.80x = 5,259,313.80 × 1,615,863.60
  4. Step 4: Simplify right side
    3,508,930.80x = 8,498,333,730,397.68
  5. Step 5: Solve for x
    x = 8,498,333,730,397.68/3,508,930.80
  6. Step 6: Final answer
    x = 2,421,915.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.