Home / 2,405,830.46-3,320,045.96-1,318,143.22

Finding the Fourth Proportional to 2,405,830.46, 3,320,045.96 and 1,318,143.22

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Solution

The fourth proportional to 2,405,830.46, 3,320,045.96 and 1,318,143.22 is: 1,819,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,830.46 : 3,320,045.96 = 1,318,143.22 : x
  2. Step 2: Convert to fraction form
    2,405,830.46/3,320,045.96 = 1,318,143.22/x
  3. Step 3: Cross multiply
    2,405,830.46x = 3,320,045.96 × 1,318,143.22
  4. Step 4: Simplify right side
    2,405,830.46x = 4,376,296,057,371.56
  5. Step 5: Solve for x
    x = 4,376,296,057,371.56/2,405,830.46
  6. Step 6: Final answer
    x = 1,819,037.60

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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.