Home / 2,086,857.42-3,130,553.43-647,636.46

Finding the Fourth Proportional to 2,086,857.42, 3,130,553.43 and 647,636.46

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Solution

The fourth proportional to 2,086,857.42, 3,130,553.43 and 647,636.46 is: 971,537.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,857.42 : 3,130,553.43 = 647,636.46 : x
  2. Step 2: Convert to fraction form
    2,086,857.42/3,130,553.43 = 647,636.46/x
  3. Step 3: Cross multiply
    2,086,857.42x = 3,130,553.43 × 647,636.46
  4. Step 4: Simplify right side
    2,086,857.42x = 2,027,460,541,246.06
  5. Step 5: Solve for x
    x = 2,027,460,541,246.06/2,086,857.42
  6. Step 6: Final answer
    x = 971,537.64

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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.