Home / 2,072,122.72-3,108,604.47-651,848.47

Finding the Fourth Proportional to 2,072,122.72, 3,108,604.47 and 651,848.47

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Solution

The fourth proportional to 2,072,122.72, 3,108,604.47 and 651,848.47 is: 977,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,122.72 : 3,108,604.47 = 651,848.47 : x
  2. Step 2: Convert to fraction form
    2,072,122.72/3,108,604.47 = 651,848.47/x
  3. Step 3: Cross multiply
    2,072,122.72x = 3,108,604.47 × 651,848.47
  4. Step 4: Simplify right side
    2,072,122.72x = 2,026,339,067,604.66
  5. Step 5: Solve for x
    x = 2,026,339,067,604.66/2,072,122.72
  6. Step 6: Final answer
    x = 977,904.95

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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.