Home / 2,227,921.86-3,338,889.33-1,215,526.77

Finding the Fourth Proportional to 2,227,921.86, 3,338,889.33 and 1,215,526.77

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Solution

The fourth proportional to 2,227,921.86, 3,338,889.33 and 1,215,526.77 is: 1,821,656.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227,921.86 : 3,338,889.33 = 1,215,526.77 : x
  2. Step 2: Convert to fraction form
    2,227,921.86/3,338,889.33 = 1,215,526.77/x
  3. Step 3: Cross multiply
    2,227,921.86x = 3,338,889.33 × 1,215,526.77
  4. Step 4: Simplify right side
    2,227,921.86x = 4,058,509,362,682.36
  5. Step 5: Solve for x
    x = 4,058,509,362,682.36/2,227,921.86
  6. Step 6: Final answer
    x = 1,821,656.96

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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.