Home / 3,620,997.37-4,997,064.45-1,989,510.56

Finding the Fourth Proportional to 3,620,997.37, 4,997,064.45 and 1,989,510.56

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Solution

The fourth proportional to 3,620,997.37, 4,997,064.45 and 1,989,510.56 is: 2,745,572.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,620,997.37 : 4,997,064.45 = 1,989,510.56 : x
  2. Step 2: Convert to fraction form
    3,620,997.37/4,997,064.45 = 1,989,510.56/x
  3. Step 3: Cross multiply
    3,620,997.37x = 4,997,064.45 × 1,989,510.56
  4. Step 4: Simplify right side
    3,620,997.37x = 9,941,712,493,489.93
  5. Step 5: Solve for x
    x = 9,941,712,493,489.93/3,620,997.37
  6. Step 6: Final answer
    x = 2,745,572.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.