Home / 2,428,247.05-3,350,892.90-1,340,495.21

Finding the Fourth Proportional to 2,428,247.05, 3,350,892.90 and 1,340,495.21

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Solution

The fourth proportional to 2,428,247.05, 3,350,892.90 and 1,340,495.21 is: 1,849,834.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,247.05 : 3,350,892.90 = 1,340,495.21 : x
  2. Step 2: Convert to fraction form
    2,428,247.05/3,350,892.90 = 1,340,495.21/x
  3. Step 3: Cross multiply
    2,428,247.05x = 3,350,892.90 × 1,340,495.21
  4. Step 4: Simplify right side
    2,428,247.05x = 4,491,855,881,673.01
  5. Step 5: Solve for x
    x = 4,491,855,881,673.01/2,428,247.05
  6. Step 6: Final answer
    x = 1,849,834.79

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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.