Home / 2,190,632.48-3,022,855.44-1,223,741.96

Finding the Fourth Proportional to 2,190,632.48, 3,022,855.44 and 1,223,741.96

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Solution

The fourth proportional to 2,190,632.48, 3,022,855.44 and 1,223,741.96 is: 1,688,642.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,632.48 : 3,022,855.44 = 1,223,741.96 : x
  2. Step 2: Convert to fraction form
    2,190,632.48/3,022,855.44 = 1,223,741.96/x
  3. Step 3: Cross multiply
    2,190,632.48x = 3,022,855.44 × 1,223,741.96
  4. Step 4: Simplify right side
    2,190,632.48x = 3,699,195,040,942.26
  5. Step 5: Solve for x
    x = 3,699,195,040,942.26/2,190,632.48
  6. Step 6: Final answer
    x = 1,688,642.47

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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.