Home / 1,912,893.76-2,639,198.46-1,085,831.92

Finding the Fourth Proportional to 1,912,893.76, 2,639,198.46 and 1,085,831.92

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Solution

The fourth proportional to 1,912,893.76, 2,639,198.46 and 1,085,831.92 is: 1,498,110.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912,893.76 : 2,639,198.46 = 1,085,831.92 : x
  2. Step 2: Convert to fraction form
    1,912,893.76/2,639,198.46 = 1,085,831.92/x
  3. Step 3: Cross multiply
    1,912,893.76x = 2,639,198.46 × 1,085,831.92
  4. Step 4: Simplify right side
    1,912,893.76x = 2,865,725,931,082.84
  5. Step 5: Solve for x
    x = 2,865,725,931,082.84/1,912,893.76
  6. Step 6: Final answer
    x = 1,498,110.35

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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.