Home / 4,957,122.56-7,426,887.05-2,072,129.72

Finding the Fourth Proportional to 4,957,122.56, 7,426,887.05 and 2,072,129.72

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Solution

The fourth proportional to 4,957,122.56, 7,426,887.05 and 2,072,129.72 is: 3,104,517.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957,122.56 : 7,426,887.05 = 2,072,129.72 : x
  2. Step 2: Convert to fraction form
    4,957,122.56/7,426,887.05 = 2,072,129.72/x
  3. Step 3: Cross multiply
    4,957,122.56x = 7,426,887.05 × 2,072,129.72
  4. Step 4: Simplify right side
    4,957,122.56x = 15,389,473,335,893.04
  5. Step 5: Solve for x
    x = 15,389,473,335,893.04/4,957,122.56
  6. Step 6: Final answer
    x = 3,104,517.42

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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.