Home / 2,987,416.52-4,481,117.94-1,280,453

Finding the Fourth Proportional to 2,987,416.52, 4,481,117.94 and 1,280,453

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Solution

The fourth proportional to 2,987,416.52, 4,481,117.94 and 1,280,453 is: 1,920,676.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,416.52 : 4,481,117.94 = 1,280,453 : x
  2. Step 2: Convert to fraction form
    2,987,416.52/4,481,117.94 = 1,280,453/x
  3. Step 3: Cross multiply
    2,987,416.52x = 4,481,117.94 × 1,280,453
  4. Step 4: Simplify right side
    2,987,416.52x = 5,737,860,909,626.82
  5. Step 5: Solve for x
    x = 5,737,860,909,626.82/2,987,416.52
  6. Step 6: Final answer
    x = 1,920,676.57

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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.