Home / 2,220,799.63-3,332,258.39-1,209,899.28

Finding the Fourth Proportional to 2,220,799.63, 3,332,258.39 and 1,209,899.28

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Solution

The fourth proportional to 2,220,799.63, 3,332,258.39 and 1,209,899.28 is: 1,815,425.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,799.63 : 3,332,258.39 = 1,209,899.28 : x
  2. Step 2: Convert to fraction form
    2,220,799.63/3,332,258.39 = 1,209,899.28/x
  3. Step 3: Cross multiply
    2,220,799.63x = 3,332,258.39 × 1,209,899.28
  4. Step 4: Simplify right side
    2,220,799.63x = 4,031,697,023,611.72
  5. Step 5: Solve for x
    x = 4,031,697,023,611.72/2,220,799.63
  6. Step 6: Final answer
    x = 1,815,425.84

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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.