Home / 1,768,407-2,434,806.18-1,606,778.52

Finding the Fourth Proportional to 1,768,407, 2,434,806.18 and 1,606,778.52

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Solution

The fourth proportional to 1,768,407, 2,434,806.18 and 1,606,778.52 is: 2,212,270.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,407 : 2,434,806.18 = 1,606,778.52 : x
  2. Step 2: Convert to fraction form
    1,768,407/2,434,806.18 = 1,606,778.52/x
  3. Step 3: Cross multiply
    1,768,407x = 2,434,806.18 × 1,606,778.52
  4. Step 4: Simplify right side
    1,768,407x = 3,912,194,270,387.25
  5. Step 5: Solve for x
    x = 3,912,194,270,387.25/1,768,407
  6. Step 6: Final answer
    x = 2,212,270.29

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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.