Home / 1,969,119.78-2,717,890.89-1,282,502.63

Finding the Fourth Proportional to 1,969,119.78, 2,717,890.89 and 1,282,502.63

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Solution

The fourth proportional to 1,969,119.78, 2,717,890.89 and 1,282,502.63 is: 1,770,182.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,119.78 : 2,717,890.89 = 1,282,502.63 : x
  2. Step 2: Convert to fraction form
    1,969,119.78/2,717,890.89 = 1,282,502.63/x
  3. Step 3: Cross multiply
    1,969,119.78x = 2,717,890.89 × 1,282,502.63
  4. Step 4: Simplify right side
    1,969,119.78x = 3,485,702,200,888.59
  5. Step 5: Solve for x
    x = 3,485,702,200,888.59/1,969,119.78
  6. Step 6: Final answer
    x = 1,770,182.92

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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.