Home / 2,133,749.71-2,944,843.60-1,399,321.62

Finding the Fourth Proportional to 2,133,749.71, 2,944,843.60 and 1,399,321.62

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Solution

The fourth proportional to 2,133,749.71, 2,944,843.60 and 1,399,321.62 is: 1,931,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,749.71 : 2,944,843.60 = 1,399,321.62 : x
  2. Step 2: Convert to fraction form
    2,133,749.71/2,944,843.60 = 1,399,321.62/x
  3. Step 3: Cross multiply
    2,133,749.71x = 2,944,843.60 × 1,399,321.62
  4. Step 4: Simplify right side
    2,133,749.71x = 4,120,783,319,927.57
  5. Step 5: Solve for x
    x = 4,120,783,319,927.57/2,133,749.71
  6. Step 6: Final answer
    x = 1,931,240.25

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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.