Home / 2,221,521.48-3,327,908.16-1,409,400.84

Finding the Fourth Proportional to 2,221,521.48, 3,327,908.16 and 1,409,400.84

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Solution

The fourth proportional to 2,221,521.48, 3,327,908.16 and 1,409,400.84 is: 2,111,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,521.48 : 3,327,908.16 = 1,409,400.84 : x
  2. Step 2: Convert to fraction form
    2,221,521.48/3,327,908.16 = 1,409,400.84/x
  3. Step 3: Cross multiply
    2,221,521.48x = 3,327,908.16 × 1,409,400.84
  4. Step 4: Simplify right side
    2,221,521.48x = 4,690,356,556,146.85
  5. Step 5: Solve for x
    x = 4,690,356,556,146.85/2,221,521.48
  6. Step 6: Final answer
    x = 2,111,326.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.