Home / 1,921,720.60-2,882,912.46-785,100.52

Finding the Fourth Proportional to 1,921,720.60, 2,882,912.46 and 785,100.52

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Solution

The fourth proportional to 1,921,720.60, 2,882,912.46 and 785,100.52 is: 1,177,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,720.60 : 2,882,912.46 = 785,100.52 : x
  2. Step 2: Convert to fraction form
    1,921,720.60/2,882,912.46 = 785,100.52/x
  3. Step 3: Cross multiply
    1,921,720.60x = 2,882,912.46 × 785,100.52
  4. Step 4: Simplify right side
    1,921,720.60x = 2,263,376,071,460.48
  5. Step 5: Solve for x
    x = 2,263,376,071,460.48/1,921,720.60
  6. Step 6: Final answer
    x = 1,177,786.24

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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.