Home / 1,951,319.84-2,926,979.70-1,286,316.32

Finding the Fourth Proportional to 1,951,319.84, 2,926,979.70 and 1,286,316.32

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Solution

The fourth proportional to 1,951,319.84, 2,926,979.70 and 1,286,316.32 is: 1,929,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951,319.84 : 2,926,979.70 = 1,286,316.32 : x
  2. Step 2: Convert to fraction form
    1,951,319.84/2,926,979.70 = 1,286,316.32/x
  3. Step 3: Cross multiply
    1,951,319.84x = 2,926,979.70 × 1,286,316.32
  4. Step 4: Simplify right side
    1,951,319.84x = 3,765,021,756,418.70
  5. Step 5: Solve for x
    x = 3,765,021,756,418.70/1,951,319.84
  6. Step 6: Final answer
    x = 1,929,474.44

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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.