Home / 2,742,042.38-3,783,971.97-1,518,321.56

Finding the Fourth Proportional to 2,742,042.38, 3,783,971.97 and 1,518,321.56

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Solution

The fourth proportional to 2,742,042.38, 3,783,971.97 and 1,518,321.56 is: 2,095,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,042.38 : 3,783,971.97 = 1,518,321.56 : x
  2. Step 2: Convert to fraction form
    2,742,042.38/3,783,971.97 = 1,518,321.56/x
  3. Step 3: Cross multiply
    2,742,042.38x = 3,783,971.97 × 1,518,321.56
  4. Step 4: Simplify right side
    2,742,042.38x = 5,745,286,205,566.81
  5. Step 5: Solve for x
    x = 5,745,286,205,566.81/2,742,042.38
  6. Step 6: Final answer
    x = 2,095,257.99

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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.