Home / 3,964,707-5,471,300.52-2,153,871

Finding the Fourth Proportional to 3,964,707, 5,471,300.52 and 2,153,871

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Solution

The fourth proportional to 3,964,707, 5,471,300.52 and 2,153,871 is: 2,972,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,707 : 5,471,300.52 = 2,153,871 : x
  2. Step 2: Convert to fraction form
    3,964,707/5,471,300.52 = 2,153,871/x
  3. Step 3: Cross multiply
    3,964,707x = 5,471,300.52 × 2,153,871
  4. Step 4: Simplify right side
    3,964,707x = 11,784,475,522,312.92
  5. Step 5: Solve for x
    x = 11,784,475,522,312.92/3,964,707
  6. Step 6: Final answer
    x = 2,972,344.62

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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.