Home / 2,111,536.59-3,166,984.13-691,561.23

Finding the Fourth Proportional to 2,111,536.59, 3,166,984.13 and 691,561.23

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Solution

The fourth proportional to 2,111,536.59, 3,166,984.13 and 691,561.23 is: 1,037,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,536.59 : 3,166,984.13 = 691,561.23 : x
  2. Step 2: Convert to fraction form
    2,111,536.59/3,166,984.13 = 691,561.23/x
  3. Step 3: Cross multiply
    2,111,536.59x = 3,166,984.13 × 691,561.23
  4. Step 4: Simplify right side
    2,111,536.59x = 2,190,163,436,875.47
  5. Step 5: Solve for x
    x = 2,190,163,436,875.47/2,111,536.59
  6. Step 6: Final answer
    x = 1,037,236.79

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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.