Home / 2,646,000.10-3,969,000.15-1,928,664.10

Finding the Fourth Proportional to 2,646,000.10, 3,969,000.15 and 1,928,664.10

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Solution

The fourth proportional to 2,646,000.10, 3,969,000.15 and 1,928,664.10 is: 2,892,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,000.10 : 3,969,000.15 = 1,928,664.10 : x
  2. Step 2: Convert to fraction form
    2,646,000.10/3,969,000.15 = 1,928,664.10/x
  3. Step 3: Cross multiply
    2,646,000.10x = 3,969,000.15 × 1,928,664.10
  4. Step 4: Simplify right side
    2,646,000.10x = 7,654,868,102,199.62
  5. Step 5: Solve for x
    x = 7,654,868,102,199.62/2,646,000.10
  6. Step 6: Final answer
    x = 2,892,996.15

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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.