Home / 3,857,798.40-5,324,087.70-2,139,472.50

Finding the Fourth Proportional to 3,857,798.40, 5,324,087.70 and 2,139,472.50

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Solution

The fourth proportional to 3,857,798.40, 5,324,087.70 and 2,139,472.50 is: 2,952,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,857,798.40 : 5,324,087.70 = 2,139,472.50 : x
  2. Step 2: Convert to fraction form
    3,857,798.40/5,324,087.70 = 2,139,472.50/x
  3. Step 3: Cross multiply
    3,857,798.40x = 5,324,087.70 × 2,139,472.50
  4. Step 4: Simplify right side
    3,857,798.40x = 11,390,739,221,738.25
  5. Step 5: Solve for x
    x = 11,390,739,221,738.25/3,857,798.40
  6. Step 6: Final answer
    x = 2,952,652.79

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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.