Home / 1,838,076.16-2,757,245.28-490,231.12

Finding the Fourth Proportional to 1,838,076.16, 2,757,245.28 and 490,231.12

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Solution

The fourth proportional to 1,838,076.16, 2,757,245.28 and 490,231.12 is: 735,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,076.16 : 2,757,245.28 = 490,231.12 : x
  2. Step 2: Convert to fraction form
    1,838,076.16/2,757,245.28 = 490,231.12/x
  3. Step 3: Cross multiply
    1,838,076.16x = 2,757,245.28 × 490,231.12
  4. Step 4: Simplify right side
    1,838,076.16x = 1,351,687,441,729.11
  5. Step 5: Solve for x
    x = 1,351,687,441,729.11/1,838,076.16
  6. Step 6: Final answer
    x = 735,381.63

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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.