Home / 3,474,015.40-5,211,023.10-2,146,911.40

Finding the Fourth Proportional to 3,474,015.40, 5,211,023.10 and 2,146,911.40

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Solution

The fourth proportional to 3,474,015.40, 5,211,023.10 and 2,146,911.40 is: 3,220,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,474,015.40 : 5,211,023.10 = 2,146,911.40 : x
  2. Step 2: Convert to fraction form
    3,474,015.40/5,211,023.10 = 2,146,911.40/x
  3. Step 3: Cross multiply
    3,474,015.40x = 5,211,023.10 × 2,146,911.40
  4. Step 4: Simplify right side
    3,474,015.40x = 11,187,604,899,053.34
  5. Step 5: Solve for x
    x = 11,187,604,899,053.34/3,474,015.40
  6. Step 6: Final answer
    x = 3,220,367.10

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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.