Home / 2,221,900.40-3,066,224.28-1,255,032.56

Finding the Fourth Proportional to 2,221,900.40, 3,066,224.28 and 1,255,032.56

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Solution

The fourth proportional to 2,221,900.40, 3,066,224.28 and 1,255,032.56 is: 1,731,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,900.40 : 3,066,224.28 = 1,255,032.56 : x
  2. Step 2: Convert to fraction form
    2,221,900.40/3,066,224.28 = 1,255,032.56/x
  3. Step 3: Cross multiply
    2,221,900.40x = 3,066,224.28 × 1,255,032.56
  4. Step 4: Simplify right side
    2,221,900.40x = 3,848,211,307,662.56
  5. Step 5: Solve for x
    x = 3,848,211,307,662.56/2,221,900.40
  6. Step 6: Final answer
    x = 1,731,945.91

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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.