Home / 5,215,156.26-7,824,982.14-2,820,686.51

Finding the Fourth Proportional to 5,215,156.26, 7,824,982.14 and 2,820,686.51

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Solution

The fourth proportional to 5,215,156.26, 7,824,982.14 and 2,820,686.51 is: 4,232,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,156.26 : 7,824,982.14 = 2,820,686.51 : x
  2. Step 2: Convert to fraction form
    5,215,156.26/7,824,982.14 = 2,820,686.51/x
  3. Step 3: Cross multiply
    5,215,156.26x = 7,824,982.14 × 2,820,686.51
  4. Step 4: Simplify right side
    5,215,156.26x = 22,071,821,524,164.02
  5. Step 5: Solve for x
    x = 22,071,821,524,164.02/5,215,156.26
  6. Step 6: Final answer
    x = 4,232,245.48

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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.