Home / 3,286,238.40-4,928,612.40-1,487,934.72

Finding the Fourth Proportional to 3,286,238.40, 4,928,612.40 and 1,487,934.72

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Solution

The fourth proportional to 3,286,238.40, 4,928,612.40 and 1,487,934.72 is: 2,231,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,286,238.40 : 4,928,612.40 = 1,487,934.72 : x
  2. Step 2: Convert to fraction form
    3,286,238.40/4,928,612.40 = 1,487,934.72/x
  3. Step 3: Cross multiply
    3,286,238.40x = 4,928,612.40 × 1,487,934.72
  4. Step 4: Simplify right side
    3,286,238.40x = 7,333,453,511,382.53
  5. Step 5: Solve for x
    x = 7,333,453,511,382.53/3,286,238.40
  6. Step 6: Final answer
    x = 2,231,564.67

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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.