Home / 3,612,123.45-5,416,260.62-1,215,171.45

Finding the Fourth Proportional to 3,612,123.45, 5,416,260.62 and 1,215,171.45

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Solution

The fourth proportional to 3,612,123.45, 5,416,260.62 and 1,215,171.45 is: 1,822,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612,123.45 : 5,416,260.62 = 1,215,171.45 : x
  2. Step 2: Convert to fraction form
    3,612,123.45/5,416,260.62 = 1,215,171.45/x
  3. Step 3: Cross multiply
    3,612,123.45x = 5,416,260.62 × 1,215,171.45
  4. Step 4: Simplify right side
    3,612,123.45x = 6,581,685,265,107.44
  5. Step 5: Solve for x
    x = 6,581,685,265,107.44/3,612,123.45
  6. Step 6: Final answer
    x = 1,822,109.72

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1.5x scale

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.