Home / 1,634,512.31-2,254,687.73-1,021,601.38

Finding the Fourth Proportional to 1,634,512.31, 2,254,687.73 and 1,021,601.38

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Solution

The fourth proportional to 1,634,512.31, 2,254,687.73 and 1,021,601.38 is: 1,409,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,512.31 : 2,254,687.73 = 1,021,601.38 : x
  2. Step 2: Convert to fraction form
    1,634,512.31/2,254,687.73 = 1,021,601.38/x
  3. Step 3: Cross multiply
    1,634,512.31x = 2,254,687.73 × 1,021,601.38
  4. Step 4: Simplify right side
    1,634,512.31x = 2,303,392,081,365.56
  5. Step 5: Solve for x
    x = 2,303,392,081,365.56/1,634,512.31
  6. Step 6: Final answer
    x = 1,409,222.84

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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.