Home / 4,428,857.40-6,643,286.10-2,833,222.20

Finding the Fourth Proportional to 4,428,857.40, 6,643,286.10 and 2,833,222.20

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Solution

The fourth proportional to 4,428,857.40, 6,643,286.10 and 2,833,222.20 is: 4,249,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428,857.40 : 6,643,286.10 = 2,833,222.20 : x
  2. Step 2: Convert to fraction form
    4,428,857.40/6,643,286.10 = 2,833,222.20/x
  3. Step 3: Cross multiply
    4,428,857.40x = 6,643,286.10 × 2,833,222.20
  4. Step 4: Simplify right side
    4,428,857.40x = 18,821,905,659,471.42
  5. Step 5: Solve for x
    x = 18,821,905,659,471.42/4,428,857.40
  6. Step 6: Final answer
    x = 4,249,833.30

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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.