Home / 1,619,831.28-2,234,158.92-1,436,285.28

Finding the Fourth Proportional to 1,619,831.28, 2,234,158.92 and 1,436,285.28

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Solution

The fourth proportional to 1,619,831.28, 2,234,158.92 and 1,436,285.28 is: 1,981,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,831.28 : 2,234,158.92 = 1,436,285.28 : x
  2. Step 2: Convert to fraction form
    1,619,831.28/2,234,158.92 = 1,436,285.28/x
  3. Step 3: Cross multiply
    1,619,831.28x = 2,234,158.92 × 1,436,285.28
  4. Step 4: Simplify right side
    1,619,831.28x = 3,208,889,569,976.70
  5. Step 5: Solve for x
    x = 3,208,889,569,976.70/1,619,831.28
  6. Step 6: Final answer
    x = 1,981,002.35

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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.