Home / 1,682,551.34-2,321,908.87-918,604.90

Finding the Fourth Proportional to 1,682,551.34, 2,321,908.87 and 918,604.90

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Solution

The fourth proportional to 1,682,551.34, 2,321,908.87 and 918,604.90 is: 1,267,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,551.34 : 2,321,908.87 = 918,604.90 : x
  2. Step 2: Convert to fraction form
    1,682,551.34/2,321,908.87 = 918,604.90/x
  3. Step 3: Cross multiply
    1,682,551.34x = 2,321,908.87 × 918,604.90
  4. Step 4: Simplify right side
    1,682,551.34x = 2,132,916,865,335.46
  5. Step 5: Solve for x
    x = 2,132,916,865,335.46/1,682,551.34
  6. Step 6: Final answer
    x = 1,267,668.22

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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.