Home / 5,201,642.28-7,178,861.70-2,910,383.40

Finding the Fourth Proportional to 5,201,642.28, 7,178,861.70 and 2,910,383.40

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Solution

The fourth proportional to 5,201,642.28, 7,178,861.70 and 2,910,383.40 is: 4,016,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,642.28 : 7,178,861.70 = 2,910,383.40 : x
  2. Step 2: Convert to fraction form
    5,201,642.28/7,178,861.70 = 2,910,383.40/x
  3. Step 3: Cross multiply
    5,201,642.28x = 7,178,861.70 × 2,910,383.40
  4. Step 4: Simplify right side
    5,201,642.28x = 20,893,239,922,575.78
  5. Step 5: Solve for x
    x = 20,893,239,922,575.78/5,201,642.28
  6. Step 6: Final answer
    x = 4,016,662.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.