Home / 2,221,238.18-3,327,417.66-1,021,516.40

Finding the Fourth Proportional to 2,221,238.18, 3,327,417.66 and 1,021,516.40

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Solution

The fourth proportional to 2,221,238.18, 3,327,417.66 and 1,021,516.40 is: 1,530,232.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,238.18 : 3,327,417.66 = 1,021,516.40 : x
  2. Step 2: Convert to fraction form
    2,221,238.18/3,327,417.66 = 1,021,516.40/x
  3. Step 3: Cross multiply
    2,221,238.18x = 3,327,417.66 × 1,021,516.40
  4. Step 4: Simplify right side
    2,221,238.18x = 3,399,011,709,339.62
  5. Step 5: Solve for x
    x = 3,399,011,709,339.62/2,221,238.18
  6. Step 6: Final answer
    x = 1,530,232.89

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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.