Home / 3,109,397.58-4,653,561.84-1,912,078.26

Finding the Fourth Proportional to 3,109,397.58, 4,653,561.84 and 1,912,078.26

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Solution

The fourth proportional to 3,109,397.58, 4,653,561.84 and 1,912,078.26 is: 2,861,639.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,397.58 : 4,653,561.84 = 1,912,078.26 : x
  2. Step 2: Convert to fraction form
    3,109,397.58/4,653,561.84 = 1,912,078.26/x
  3. Step 3: Cross multiply
    3,109,397.58x = 4,653,561.84 × 1,912,078.26
  4. Step 4: Simplify right side
    3,109,397.58x = 8,897,974,425,829.60
  5. Step 5: Solve for x
    x = 8,897,974,425,829.60/3,109,397.58
  6. Step 6: Final answer
    x = 2,861,639.34

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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.