Home / 6,392,971.55-9,589,540.43-2,133,139.79

Finding the Fourth Proportional to 6,392,971.55, 9,589,540.43 and 2,133,139.79

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Solution

The fourth proportional to 6,392,971.55, 9,589,540.43 and 2,133,139.79 is: 3,199,737.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,971.55 : 9,589,540.43 = 2,133,139.79 : x
  2. Step 2: Convert to fraction form
    6,392,971.55/9,589,540.43 = 2,133,139.79/x
  3. Step 3: Cross multiply
    6,392,971.55x = 9,589,540.43 × 2,133,139.79
  4. Step 4: Simplify right side
    6,392,971.55x = 20,455,830,214,362.08
  5. Step 5: Solve for x
    x = 20,455,830,214,362.08/6,392,971.55
  6. Step 6: Final answer
    x = 3,199,737.41

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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.