Home / 3,689,523.36-5,091,323-2,140,665.05

Finding the Fourth Proportional to 3,689,523.36, 5,091,323 and 2,140,665.05

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Solution

The fourth proportional to 3,689,523.36, 5,091,323 and 2,140,665.05 is: 2,953,990.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,523.36 : 5,091,323 = 2,140,665.05 : x
  2. Step 2: Convert to fraction form
    3,689,523.36/5,091,323 = 2,140,665.05/x
  3. Step 3: Cross multiply
    3,689,523.36x = 5,091,323 × 2,140,665.05
  4. Step 4: Simplify right side
    3,689,523.36x = 10,898,817,204,361.15
  5. Step 5: Solve for x
    x = 10,898,817,204,361.15/3,689,523.36
  6. Step 6: Final answer
    x = 2,953,990.57

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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.