Home / 1,682,551.85-2,321,909.55-918,605.40

Finding the Fourth Proportional to 1,682,551.85, 2,321,909.55 and 918,605.40

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Solution

The fourth proportional to 1,682,551.85, 2,321,909.55 and 918,605.40 is: 1,267,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,551.85 : 2,321,909.55 = 918,605.40 : x
  2. Step 2: Convert to fraction form
    1,682,551.85/2,321,909.55 = 918,605.40/x
  3. Step 3: Cross multiply
    1,682,551.85x = 2,321,909.55 × 918,605.40
  4. Step 4: Simplify right side
    1,682,551.85x = 2,132,918,650,941.57
  5. Step 5: Solve for x
    x = 2,132,918,650,941.57/1,682,551.85
  6. Step 6: Final answer
    x = 1,267,668.90

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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.