Home / 5,339,280.69-7,368,189.62-2,891,885.54

Finding the Fourth Proportional to 5,339,280.69, 7,368,189.62 and 2,891,885.54

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Solution

The fourth proportional to 5,339,280.69, 7,368,189.62 and 2,891,885.54 is: 3,990,792.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,339,280.69 : 7,368,189.62 = 2,891,885.54 : x
  2. Step 2: Convert to fraction form
    5,339,280.69/7,368,189.62 = 2,891,885.54/x
  3. Step 3: Cross multiply
    5,339,280.69x = 7,368,189.62 × 2,891,885.54
  4. Step 4: Simplify right side
    5,339,280.69x = 21,307,960,966,755.72
  5. Step 5: Solve for x
    x = 21,307,960,966,755.72/5,339,280.69
  6. Step 6: Final answer
    x = 3,990,792.43

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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.