Home / 5,311,688.40-7,958,028.60-3,230,600.40

Finding the Fourth Proportional to 5,311,688.40, 7,958,028.60 and 3,230,600.40

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Solution

The fourth proportional to 5,311,688.40, 7,958,028.60 and 3,230,600.40 is: 4,840,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,311,688.40 : 7,958,028.60 = 3,230,600.40 : x
  2. Step 2: Convert to fraction form
    5,311,688.40/7,958,028.60 = 3,230,600.40/x
  3. Step 3: Cross multiply
    5,311,688.40x = 7,958,028.60 × 3,230,600.40
  4. Step 4: Simplify right side
    5,311,688.40x = 25,709,210,378,371.44
  5. Step 5: Solve for x
    x = 25,709,210,378,371.44/5,311,688.40
  6. Step 6: Final answer
    x = 4,840,120.21

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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.