Home / 1,819,367.11-2,729,050.67-1,021,209.31

Finding the Fourth Proportional to 1,819,367.11, 2,729,050.67 and 1,021,209.31

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Solution

The fourth proportional to 1,819,367.11, 2,729,050.67 and 1,021,209.31 is: 1,531,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,367.11 : 2,729,050.67 = 1,021,209.31 : x
  2. Step 2: Convert to fraction form
    1,819,367.11/2,729,050.67 = 1,021,209.31/x
  3. Step 3: Cross multiply
    1,819,367.11x = 2,729,050.67 × 1,021,209.31
  4. Step 4: Simplify right side
    1,819,367.11x = 2,786,931,951,665.74
  5. Step 5: Solve for x
    x = 2,786,931,951,665.74/1,819,367.11
  6. Step 6: Final answer
    x = 1,531,813.97

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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.