Home / 2,167,645.56-2,991,351.06-1,200,838.56

Finding the Fourth Proportional to 2,167,645.56, 2,991,351.06 and 1,200,838.56

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Solution

The fourth proportional to 2,167,645.56, 2,991,351.06 and 1,200,838.56 is: 1,657,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,645.56 : 2,991,351.06 = 1,200,838.56 : x
  2. Step 2: Convert to fraction form
    2,167,645.56/2,991,351.06 = 1,200,838.56/x
  3. Step 3: Cross multiply
    2,167,645.56x = 2,991,351.06 × 1,200,838.56
  4. Step 4: Simplify right side
    2,167,645.56x = 3,592,129,699,344.87
  5. Step 5: Solve for x
    x = 3,592,129,699,344.87/2,167,645.56
  6. Step 6: Final answer
    x = 1,657,157.32

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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.