Home / 1,915,487.46-2,873,231.16-1,819,705.05

Finding the Fourth Proportional to 1,915,487.46, 2,873,231.16 and 1,819,705.05

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Solution

The fourth proportional to 1,915,487.46, 2,873,231.16 and 1,819,705.05 is: 2,729,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,487.46 : 2,873,231.16 = 1,819,705.05 : x
  2. Step 2: Convert to fraction form
    1,915,487.46/2,873,231.16 = 1,819,705.05/x
  3. Step 3: Cross multiply
    1,915,487.46x = 2,873,231.16 × 1,819,705.05
  4. Step 4: Simplify right side
    1,915,487.46x = 5,228,433,251,669.36
  5. Step 5: Solve for x
    x = 5,228,433,251,669.36/1,915,487.46
  6. Step 6: Final answer
    x = 2,729,557.55

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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.