Home / 5,215,157.26-7,824,983.64-2,820,687.51

Finding the Fourth Proportional to 5,215,157.26, 7,824,983.64 and 2,820,687.51

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Solution

The fourth proportional to 5,215,157.26, 7,824,983.64 and 2,820,687.51 is: 4,232,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,215,157.26 : 7,824,983.64 = 2,820,687.51 : x
  2. Step 2: Convert to fraction form
    5,215,157.26/7,824,983.64 = 2,820,687.51/x
  3. Step 3: Cross multiply
    5,215,157.26x = 7,824,983.64 × 2,820,687.51
  4. Step 4: Simplify right side
    5,215,157.26x = 22,071,833,619,302.33
  5. Step 5: Solve for x
    x = 22,071,833,619,302.33/5,215,157.26
  6. Step 6: Final answer
    x = 4,232,246.99

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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.