Home / 2,140,002.20-3,210,003.30-719,586.20

Finding the Fourth Proportional to 2,140,002.20, 3,210,003.30 and 719,586.20

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Solution

The fourth proportional to 2,140,002.20, 3,210,003.30 and 719,586.20 is: 1,079,379.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,002.20 : 3,210,003.30 = 719,586.20 : x
  2. Step 2: Convert to fraction form
    2,140,002.20/3,210,003.30 = 719,586.20/x
  3. Step 3: Cross multiply
    2,140,002.20x = 3,210,003.30 × 719,586.20
  4. Step 4: Simplify right side
    2,140,002.20x = 2,309,874,076,634.46
  5. Step 5: Solve for x
    x = 2,309,874,076,634.46/2,140,002.20
  6. Step 6: Final answer
    x = 1,079,379.30

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Double scale
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Similar ratio
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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.