Home / 2,280,143.92-3,146,549.94-1,247,647.72

Finding the Fourth Proportional to 2,280,143.92, 3,146,549.94 and 1,247,647.72

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Solution

The fourth proportional to 2,280,143.92, 3,146,549.94 and 1,247,647.72 is: 1,721,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,143.92 : 3,146,549.94 = 1,247,647.72 : x
  2. Step 2: Convert to fraction form
    2,280,143.92/3,146,549.94 = 1,247,647.72/x
  3. Step 3: Cross multiply
    2,280,143.92x = 3,146,549.94 × 1,247,647.72
  4. Step 4: Simplify right side
    2,280,143.92x = 3,925,785,858,507.14
  5. Step 5: Solve for x
    x = 3,925,785,858,507.14/2,280,143.92
  6. Step 6: Final answer
    x = 1,721,727.22

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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.