Home / 2,662,209.78-3,991,893.88-1,381,527.76

Finding the Fourth Proportional to 2,662,209.78, 3,991,893.88 and 1,381,527.76

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Solution

The fourth proportional to 2,662,209.78, 3,991,893.88 and 1,381,527.76 is: 2,071,554.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662,209.78 : 3,991,893.88 = 1,381,527.76 : x
  2. Step 2: Convert to fraction form
    2,662,209.78/3,991,893.88 = 1,381,527.76/x
  3. Step 3: Cross multiply
    2,662,209.78x = 3,991,893.88 × 1,381,527.76
  4. Step 4: Simplify right side
    2,662,209.78x = 5,514,912,210,194.11
  5. Step 5: Solve for x
    x = 5,514,912,210,194.11/2,662,209.78
  6. Step 6: Final answer
    x = 2,071,554.33

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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.