Home / 3,621,415.14-5,428,339.16-2,660,441.88

Finding the Fourth Proportional to 3,621,415.14, 5,428,339.16 and 2,660,441.88

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Solution

The fourth proportional to 3,621,415.14, 5,428,339.16 and 2,660,441.88 is: 3,987,883.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,415.14 : 5,428,339.16 = 2,660,441.88 : x
  2. Step 2: Convert to fraction form
    3,621,415.14/5,428,339.16 = 2,660,441.88/x
  3. Step 3: Cross multiply
    3,621,415.14x = 5,428,339.16 × 2,660,441.88
  4. Step 4: Simplify right side
    3,621,415.14x = 14,441,780,840,108.02
  5. Step 5: Solve for x
    x = 14,441,780,840,108.02/3,621,415.14
  6. Step 6: Final answer
    x = 3,987,883.27

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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.