Home / 3,119,304.20-4,678,956.30-1,702,128.20

Finding the Fourth Proportional to 3,119,304.20, 4,678,956.30 and 1,702,128.20

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Solution

The fourth proportional to 3,119,304.20, 4,678,956.30 and 1,702,128.20 is: 2,553,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,304.20 : 4,678,956.30 = 1,702,128.20 : x
  2. Step 2: Convert to fraction form
    3,119,304.20/4,678,956.30 = 1,702,128.20/x
  3. Step 3: Cross multiply
    3,119,304.20x = 4,678,956.30 × 1,702,128.20
  4. Step 4: Simplify right side
    3,119,304.20x = 7,964,183,464,797.66
  5. Step 5: Solve for x
    x = 7,964,183,464,797.66/3,119,304.20
  6. Step 6: Final answer
    x = 2,553,192.30

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Double scale
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Similar ratio
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1.5x scale

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.