Home / 1,691,926.34-2,531,958.80-1,212,682.35

Finding the Fourth Proportional to 1,691,926.34, 2,531,958.80 and 1,212,682.35

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Solution

The fourth proportional to 1,691,926.34, 2,531,958.80 and 1,212,682.35 is: 1,814,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,926.34 : 2,531,958.80 = 1,212,682.35 : x
  2. Step 2: Convert to fraction form
    1,691,926.34/2,531,958.80 = 1,212,682.35/x
  3. Step 3: Cross multiply
    1,691,926.34x = 2,531,958.80 × 1,212,682.35
  4. Step 4: Simplify right side
    1,691,926.34x = 3,070,461,741,623.77
  5. Step 5: Solve for x
    x = 3,070,461,741,623.77/1,691,926.34
  6. Step 6: Final answer
    x = 1,814,772.70

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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.