Home / 1,797,600.78-2,479,046.16-1,405,185.54

Finding the Fourth Proportional to 1,797,600.78, 2,479,046.16 and 1,405,185.54

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Solution

The fourth proportional to 1,797,600.78, 2,479,046.16 and 1,405,185.54 is: 1,937,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,797,600.78 : 2,479,046.16 = 1,405,185.54 : x
  2. Step 2: Convert to fraction form
    1,797,600.78/2,479,046.16 = 1,405,185.54/x
  3. Step 3: Cross multiply
    1,797,600.78x = 2,479,046.16 × 1,405,185.54
  4. Step 4: Simplify right side
    1,797,600.78x = 3,483,519,817,024.53
  5. Step 5: Solve for x
    x = 3,483,519,817,024.53/1,797,600.78
  6. Step 6: Final answer
    x = 1,937,871.78

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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.