Home / 2,619,942.78-3,928,836.15-1,001,309.46

Finding the Fourth Proportional to 2,619,942.78, 3,928,836.15 and 1,001,309.46

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Solution

The fourth proportional to 2,619,942.78, 3,928,836.15 and 1,001,309.46 is: 1,501,552.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,942.78 : 3,928,836.15 = 1,001,309.46 : x
  2. Step 2: Convert to fraction form
    2,619,942.78/3,928,836.15 = 1,001,309.46/x
  3. Step 3: Cross multiply
    2,619,942.78x = 3,928,836.15 × 1,001,309.46
  4. Step 4: Simplify right side
    2,619,942.78x = 3,933,980,803,784.98
  5. Step 5: Solve for x
    x = 3,933,980,803,784.98/2,619,942.78
  6. Step 6: Final answer
    x = 1,501,552.18

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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.