Home / 2,107,602.88-3,161,516.17-668,399.69

Finding the Fourth Proportional to 2,107,602.88, 3,161,516.17 and 668,399.69

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Solution

The fourth proportional to 2,107,602.88, 3,161,516.17 and 668,399.69 is: 1,002,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,602.88 : 3,161,516.17 = 668,399.69 : x
  2. Step 2: Convert to fraction form
    2,107,602.88/3,161,516.17 = 668,399.69/x
  3. Step 3: Cross multiply
    2,107,602.88x = 3,161,516.17 × 668,399.69
  4. Step 4: Simplify right side
    2,107,602.88x = 2,113,156,427,957.99
  5. Step 5: Solve for x
    x = 2,113,156,427,957.99/2,107,602.88
  6. Step 6: Final answer
    x = 1,002,635.01

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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.