Home / 2,702,942.70-4,054,414.05-1,421,798.10

Finding the Fourth Proportional to 2,702,942.70, 4,054,414.05 and 1,421,798.10

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Solution

The fourth proportional to 2,702,942.70, 4,054,414.05 and 1,421,798.10 is: 2,132,697.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702,942.70 : 4,054,414.05 = 1,421,798.10 : x
  2. Step 2: Convert to fraction form
    2,702,942.70/4,054,414.05 = 1,421,798.10/x
  3. Step 3: Cross multiply
    2,702,942.70x = 4,054,414.05 × 1,421,798.10
  4. Step 4: Simplify right side
    2,702,942.70x = 5,764,558,192,903.31
  5. Step 5: Solve for x
    x = 5,764,558,192,903.31/2,702,942.70
  6. Step 6: Final answer
    x = 2,132,697.15

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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.