Home / 5,388,091.20-7,436,529.12-3,212,774.40

Finding the Fourth Proportional to 5,388,091.20, 7,436,529.12 and 3,212,774.40

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Solution

The fourth proportional to 5,388,091.20, 7,436,529.12 and 3,212,774.40 is: 4,434,203.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,091.20 : 7,436,529.12 = 3,212,774.40 : x
  2. Step 2: Convert to fraction form
    5,388,091.20/7,436,529.12 = 3,212,774.40/x
  3. Step 3: Cross multiply
    5,388,091.20x = 7,436,529.12 × 3,212,774.40
  4. Step 4: Simplify right side
    5,388,091.20x = 23,891,890,381,590.53
  5. Step 5: Solve for x
    x = 23,891,890,381,590.53/5,388,091.20
  6. Step 6: Final answer
    x = 4,434,203.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.