Home / 2,102,809.64-3,154,214.52-663,638.90

Finding the Fourth Proportional to 2,102,809.64, 3,154,214.52 and 663,638.90

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Solution

The fourth proportional to 2,102,809.64, 3,154,214.52 and 663,638.90 is: 995,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,809.64 : 3,154,214.52 = 663,638.90 : x
  2. Step 2: Convert to fraction form
    2,102,809.64/3,154,214.52 = 663,638.90/x
  3. Step 3: Cross multiply
    2,102,809.64x = 3,154,214.52 × 663,638.90
  4. Step 4: Simplify right side
    2,102,809.64x = 2,093,259,438,645.76
  5. Step 5: Solve for x
    x = 2,093,259,438,645.76/2,102,809.64
  6. Step 6: Final answer
    x = 995,458.36

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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.