Home / 5,456,789.57-8,186,025.14-1,861,718.48

Finding the Fourth Proportional to 5,456,789.57, 8,186,025.14 and 1,861,718.48

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Solution

The fourth proportional to 5,456,789.57, 8,186,025.14 and 1,861,718.48 is: 2,792,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456,789.57 : 8,186,025.14 = 1,861,718.48 : x
  2. Step 2: Convert to fraction form
    5,456,789.57/8,186,025.14 = 1,861,718.48/x
  3. Step 3: Cross multiply
    5,456,789.57x = 8,186,025.14 × 1,861,718.48
  4. Step 4: Simplify right side
    5,456,789.57x = 15,240,074,268,322.91
  5. Step 5: Solve for x
    x = 15,240,074,268,322.91/5,456,789.57
  6. Step 6: Final answer
    x = 2,792,864.57

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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.