Home / 1,939,251.78-2,908,655.19-741,147.48

Finding the Fourth Proportional to 1,939,251.78, 2,908,655.19 and 741,147.48

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Solution

The fourth proportional to 1,939,251.78, 2,908,655.19 and 741,147.48 is: 1,111,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,251.78 : 2,908,655.19 = 741,147.48 : x
  2. Step 2: Convert to fraction form
    1,939,251.78/2,908,655.19 = 741,147.48/x
  3. Step 3: Cross multiply
    1,939,251.78x = 2,908,655.19 × 741,147.48
  4. Step 4: Simplify right side
    1,939,251.78x = 2,155,742,464,257.42
  5. Step 5: Solve for x
    x = 2,155,742,464,257.42/1,939,251.78
  6. Step 6: Final answer
    x = 1,111,636.19

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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.