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Finding the Fourth Proportional to 4,982,021.15, 7,459,745.70 and 4,982,021.15

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Solution

The fourth proportional to 4,982,021.15, 7,459,745.70 and 4,982,021.15 is: 7,459,745.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982,021.15 : 7,459,745.70 = 4,982,021.15 : x
  2. Step 2: Convert to fraction form
    4,982,021.15/7,459,745.70 = 4,982,021.15/x
  3. Step 3: Cross multiply
    4,982,021.15x = 7,459,745.70 × 4,982,021.15
  4. Step 4: Simplify right side
    4,982,021.15x = 37,164,610,851,021.56
  5. Step 5: Solve for x
    x = 37,164,610,851,021.56/4,982,021.15
  6. Step 6: Final answer
    x = 7,459,745.70

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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.