Home / 3,616,185.78-5,424,309.08-920,511.45

Finding the Fourth Proportional to 3,616,185.78, 5,424,309.08 and 920,511.45

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Solution

The fourth proportional to 3,616,185.78, 5,424,309.08 and 920,511.45 is: 1,380,774.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,185.78 : 5,424,309.08 = 920,511.45 : x
  2. Step 2: Convert to fraction form
    3,616,185.78/5,424,309.08 = 920,511.45/x
  3. Step 3: Cross multiply
    3,616,185.78x = 5,424,309.08 × 920,511.45
  4. Step 4: Simplify right side
    3,616,185.78x = 4,993,138,616,478.97
  5. Step 5: Solve for x
    x = 4,993,138,616,478.97/3,616,185.78
  6. Step 6: Final answer
    x = 1,380,774.92

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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.