Home / 2,340,638.91-3,509,961.39-919,698.21

Finding the Fourth Proportional to 2,340,638.91, 3,509,961.39 and 919,698.21

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Solution

The fourth proportional to 2,340,638.91, 3,509,961.39 and 919,698.21 is: 1,379,155.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,340,638.91 : 3,509,961.39 = 919,698.21 : x
  2. Step 2: Convert to fraction form
    2,340,638.91/3,509,961.39 = 919,698.21/x
  3. Step 3: Cross multiply
    2,340,638.91x = 3,509,961.39 × 919,698.21
  4. Step 4: Simplify right side
    2,340,638.91x = 3,228,105,207,552.11
  5. Step 5: Solve for x
    x = 3,228,105,207,552.11/2,340,638.91
  6. Step 6: Final answer
    x = 1,379,155.58

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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.