Home / 5,760,187.20-8,640,280.80-3,856,622.40

Finding the Fourth Proportional to 5,760,187.20, 8,640,280.80 and 3,856,622.40

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Solution

The fourth proportional to 5,760,187.20, 8,640,280.80 and 3,856,622.40 is: 5,784,933.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,187.20 : 8,640,280.80 = 3,856,622.40 : x
  2. Step 2: Convert to fraction form
    5,760,187.20/8,640,280.80 = 3,856,622.40/x
  3. Step 3: Cross multiply
    5,760,187.20x = 8,640,280.80 × 3,856,622.40
  4. Step 4: Simplify right side
    5,760,187.20x = 33,322,300,475,569.92
  5. Step 5: Solve for x
    x = 33,322,300,475,569.92/5,760,187.20
  6. Step 6: Final answer
    x = 5,784,933.60

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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.