Home / 2,077,715.56-3,116,662.44-815,816.56

Finding the Fourth Proportional to 2,077,715.56, 3,116,662.44 and 815,816.56

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Solution

The fourth proportional to 2,077,715.56, 3,116,662.44 and 815,816.56 is: 1,223,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,715.56 : 3,116,662.44 = 815,816.56 : x
  2. Step 2: Convert to fraction form
    2,077,715.56/3,116,662.44 = 815,816.56/x
  3. Step 3: Cross multiply
    2,077,715.56x = 3,116,662.44 × 815,816.56
  4. Step 4: Simplify right side
    2,077,715.56x = 2,542,624,830,482.01
  5. Step 5: Solve for x
    x = 2,542,624,830,482.01/2,077,715.56
  6. Step 6: Final answer
    x = 1,223,759.83

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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.