Home / 2,106,098.82-3,159,397.34-686,154.90

Finding the Fourth Proportional to 2,106,098.82, 3,159,397.34 and 686,154.90

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Solution

The fourth proportional to 2,106,098.82, 3,159,397.34 and 686,154.90 is: 1,029,313.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,106,098.82 : 3,159,397.34 = 686,154.90 : x
  2. Step 2: Convert to fraction form
    2,106,098.82/3,159,397.34 = 686,154.90/x
  3. Step 3: Cross multiply
    2,106,098.82x = 3,159,397.34 × 686,154.90
  4. Step 4: Simplify right side
    2,106,098.82x = 2,167,835,965,887.97
  5. Step 5: Solve for x
    x = 2,167,835,965,887.97/2,106,098.82
  6. Step 6: Final answer
    x = 1,029,313.51

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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.