Home / 2,101,736.04-3,153,047.34-681,681.84

Finding the Fourth Proportional to 2,101,736.04, 3,153,047.34 and 681,681.84

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Solution

The fourth proportional to 2,101,736.04, 3,153,047.34 and 681,681.84 is: 1,022,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,736.04 : 3,153,047.34 = 681,681.84 : x
  2. Step 2: Convert to fraction form
    2,101,736.04/3,153,047.34 = 681,681.84/x
  3. Step 3: Cross multiply
    2,101,736.04x = 3,153,047.34 × 681,681.84
  4. Step 4: Simplify right side
    2,101,736.04x = 2,149,375,112,338.31
  5. Step 5: Solve for x
    x = 2,149,375,112,338.31/2,101,736.04
  6. Step 6: Final answer
    x = 1,022,666.53

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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.