Home / 5,420,832-8,131,416.48-2,009,967.36

Finding the Fourth Proportional to 5,420,832, 8,131,416.48 and 2,009,967.36

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Solution

The fourth proportional to 5,420,832, 8,131,416.48 and 2,009,967.36 is: 3,015,013.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420,832 : 8,131,416.48 = 2,009,967.36 : x
  2. Step 2: Convert to fraction form
    5,420,832/8,131,416.48 = 2,009,967.36/x
  3. Step 3: Cross multiply
    5,420,832x = 8,131,416.48 × 2,009,967.36
  4. Step 4: Simplify right side
    5,420,832x = 16,343,881,715,366.09
  5. Step 5: Solve for x
    x = 16,343,881,715,366.09/5,420,832
  6. Step 6: Final answer
    x = 3,015,013.51

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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.