Home / 1,910,926.39-2,636,999.35-1,039,764.67

Finding the Fourth Proportional to 1,910,926.39, 2,636,999.35 and 1,039,764.67

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Solution

The fourth proportional to 1,910,926.39, 2,636,999.35 and 1,039,764.67 is: 1,434,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,926.39 : 2,636,999.35 = 1,039,764.67 : x
  2. Step 2: Convert to fraction form
    1,910,926.39/2,636,999.35 = 1,039,764.67/x
  3. Step 3: Cross multiply
    1,910,926.39x = 2,636,999.35 × 1,039,764.67
  4. Step 4: Simplify right side
    1,910,926.39x = 2,741,858,758,942.97
  5. Step 5: Solve for x
    x = 2,741,858,758,942.97/1,910,926.39
  6. Step 6: Final answer
    x = 1,434,832.22

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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.