Home / 3,948,930.40-5,918,917.68-1,814,604.28

Finding the Fourth Proportional to 3,948,930.40, 5,918,917.68 and 1,814,604.28

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Solution

The fourth proportional to 3,948,930.40, 5,918,917.68 and 1,814,604.28 is: 2,719,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,948,930.40 : 5,918,917.68 = 1,814,604.28 : x
  2. Step 2: Convert to fraction form
    3,948,930.40/5,918,917.68 = 1,814,604.28/x
  3. Step 3: Cross multiply
    3,948,930.40x = 5,918,917.68 × 1,814,604.28
  4. Step 4: Simplify right side
    3,948,930.40x = 10,740,493,355,095.67
  5. Step 5: Solve for x
    x = 10,740,493,355,095.67/3,948,930.40
  6. Step 6: Final answer
    x = 2,719,848.74

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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.