Home / 2,072,121.72-3,108,602.97-651,847.47

Finding the Fourth Proportional to 2,072,121.72, 3,108,602.97 and 651,847.47

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Solution

The fourth proportional to 2,072,121.72, 3,108,602.97 and 651,847.47 is: 977,903.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,121.72 : 3,108,602.97 = 651,847.47 : x
  2. Step 2: Convert to fraction form
    2,072,121.72/3,108,602.97 = 651,847.47/x
  3. Step 3: Cross multiply
    2,072,121.72x = 3,108,602.97 × 651,847.47
  4. Step 4: Simplify right side
    2,072,121.72x = 2,026,334,981,228.99
  5. Step 5: Solve for x
    x = 2,026,334,981,228.99/2,072,121.72
  6. Step 6: Final answer
    x = 977,903.45

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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.