Home / 3,865,170.20-5,798,468-1,271,621

Finding the Fourth Proportional to 3,865,170.20, 5,798,468 and 1,271,621

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Solution

The fourth proportional to 3,865,170.20, 5,798,468 and 1,271,621 is: 1,907,665.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,170.20 : 5,798,468 = 1,271,621 : x
  2. Step 2: Convert to fraction form
    3,865,170.20/5,798,468 = 1,271,621/x
  3. Step 3: Cross multiply
    3,865,170.20x = 5,798,468 × 1,271,621
  4. Step 4: Simplify right side
    3,865,170.20x = 7,373,453,676,628
  5. Step 5: Solve for x
    x = 7,373,453,676,628/3,865,170.20
  6. Step 6: Final answer
    x = 1,907,665.97

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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.