Home / 2,072,120.72-3,108,601.47-651,846.47

Finding the Fourth Proportional to 2,072,120.72, 3,108,601.47 and 651,846.47

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Solution

The fourth proportional to 2,072,120.72, 3,108,601.47 and 651,846.47 is: 977,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,120.72 : 3,108,601.47 = 651,846.47 : x
  2. Step 2: Convert to fraction form
    2,072,120.72/3,108,601.47 = 651,846.47/x
  3. Step 3: Cross multiply
    2,072,120.72x = 3,108,601.47 × 651,846.47
  4. Step 4: Simplify right side
    2,072,120.72x = 2,026,330,895,576.97
  5. Step 5: Solve for x
    x = 2,026,330,895,576.97/2,072,120.72
  6. Step 6: Final answer
    x = 977,901.95

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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.