Home / 3,210,477.76-4,428,932.88-1,921,058.56

Finding the Fourth Proportional to 3,210,477.76, 4,428,932.88 and 1,921,058.56

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Solution

The fourth proportional to 3,210,477.76, 4,428,932.88 and 1,921,058.56 is: 2,650,147.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,477.76 : 4,428,932.88 = 1,921,058.56 : x
  2. Step 2: Convert to fraction form
    3,210,477.76/4,428,932.88 = 1,921,058.56/x
  3. Step 3: Cross multiply
    3,210,477.76x = 4,428,932.88 × 1,921,058.56
  4. Step 4: Simplify right side
    3,210,477.76x = 8,508,239,420,789.45
  5. Step 5: Solve for x
    x = 8,508,239,420,789.45/3,210,477.76
  6. Step 6: Final answer
    x = 2,650,147.44

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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.