Home / 2,819,874.23-3,891,431.38-1,530,715.49

Finding the Fourth Proportional to 2,819,874.23, 3,891,431.38 and 1,530,715.49

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Solution

The fourth proportional to 2,819,874.23, 3,891,431.38 and 1,530,715.49 is: 2,112,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,874.23 : 3,891,431.38 = 1,530,715.49 : x
  2. Step 2: Convert to fraction form
    2,819,874.23/3,891,431.38 = 1,530,715.49/x
  3. Step 3: Cross multiply
    2,819,874.23x = 3,891,431.38 × 1,530,715.49
  4. Step 4: Simplify right side
    2,819,874.23x = 5,956,674,297,539.87
  5. Step 5: Solve for x
    x = 5,956,674,297,539.87/2,819,874.23
  6. Step 6: Final answer
    x = 2,112,390.06

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Double scale
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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.