Home / 2,840,809.28-3,915,247.10-2,150,827.92

Finding the Fourth Proportional to 2,840,809.28, 3,915,247.10 and 2,150,827.92

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Solution

The fourth proportional to 2,840,809.28, 3,915,247.10 and 2,150,827.92 is: 2,964,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,809.28 : 3,915,247.10 = 2,150,827.92 : x
  2. Step 2: Convert to fraction form
    2,840,809.28/3,915,247.10 = 2,150,827.92/x
  3. Step 3: Cross multiply
    2,840,809.28x = 3,915,247.10 × 2,150,827.92
  4. Step 4: Simplify right side
    2,840,809.28x = 8,421,022,765,624.89
  5. Step 5: Solve for x
    x = 8,421,022,765,624.89/2,840,809.28
  6. Step 6: Final answer
    x = 2,964,304.16

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Double scale
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1.5x scale

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.