Home / 3,572,277.82-4,930,166.03-2,121,979

Finding the Fourth Proportional to 3,572,277.82, 4,930,166.03 and 2,121,979

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Solution

The fourth proportional to 3,572,277.82, 4,930,166.03 and 2,121,979 is: 2,928,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572,277.82 : 4,930,166.03 = 2,121,979 : x
  2. Step 2: Convert to fraction form
    3,572,277.82/4,930,166.03 = 2,121,979/x
  3. Step 3: Cross multiply
    3,572,277.82x = 4,930,166.03 × 2,121,979
  4. Step 4: Simplify right side
    3,572,277.82x = 10,461,708,782,173.37
  5. Step 5: Solve for x
    x = 10,461,708,782,173.37/3,572,277.82
  6. Step 6: Final answer
    x = 2,928,582.07

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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.