Home / 1,650,027-2,275,310.22-1,221,206.52

Finding the Fourth Proportional to 1,650,027, 2,275,310.22 and 1,221,206.52

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Solution

The fourth proportional to 1,650,027, 2,275,310.22 and 1,221,206.52 is: 1,683,986.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650,027 : 2,275,310.22 = 1,221,206.52 : x
  2. Step 2: Convert to fraction form
    1,650,027/2,275,310.22 = 1,221,206.52/x
  3. Step 3: Cross multiply
    1,650,027x = 2,275,310.22 × 1,221,206.52
  4. Step 4: Simplify right side
    1,650,027x = 2,778,623,675,686.63
  5. Step 5: Solve for x
    x = 2,778,623,675,686.63/1,650,027
  6. Step 6: Final answer
    x = 1,683,986.79

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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.