Home / 3,001,428.18-4,499,619.12-2,431,395.72

Finding the Fourth Proportional to 3,001,428.18, 4,499,619.12 and 2,431,395.72

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Solution

The fourth proportional to 3,001,428.18, 4,499,619.12 and 2,431,395.72 is: 3,645,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001,428.18 : 4,499,619.12 = 2,431,395.72 : x
  2. Step 2: Convert to fraction form
    3,001,428.18/4,499,619.12 = 2,431,395.72/x
  3. Step 3: Cross multiply
    3,001,428.18x = 4,499,619.12 × 2,431,395.72
  4. Step 4: Simplify right side
    3,001,428.18x = 10,940,354,669,998.17
  5. Step 5: Solve for x
    x = 10,940,354,669,998.17/3,001,428.18
  6. Step 6: Final answer
    x = 3,645,049.63

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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.