Home / 2,183,616.40-3,278,803.80-1,188,288.40

Finding the Fourth Proportional to 2,183,616.40, 3,278,803.80 and 1,188,288.40

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Solution

The fourth proportional to 2,183,616.40, 3,278,803.80 and 1,188,288.40 is: 1,784,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,616.40 : 3,278,803.80 = 1,188,288.40 : x
  2. Step 2: Convert to fraction form
    2,183,616.40/3,278,803.80 = 1,188,288.40/x
  3. Step 3: Cross multiply
    2,183,616.40x = 3,278,803.80 × 1,188,288.40
  4. Step 4: Simplify right side
    2,183,616.40x = 3,896,164,521,415.92
  5. Step 5: Solve for x
    x = 3,896,164,521,415.92/2,183,616.40
  6. Step 6: Final answer
    x = 1,784,271.51

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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.