Home / 1,969,130.52-2,717,905.68-1,282,513.32

Finding the Fourth Proportional to 1,969,130.52, 2,717,905.68 and 1,282,513.32

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Solution

The fourth proportional to 1,969,130.52, 2,717,905.68 and 1,282,513.32 is: 1,770,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,130.52 : 2,717,905.68 = 1,282,513.32 : x
  2. Step 2: Convert to fraction form
    1,969,130.52/2,717,905.68 = 1,282,513.32/x
  3. Step 3: Cross multiply
    1,969,130.52x = 2,717,905.68 × 1,282,513.32
  4. Step 4: Simplify right side
    1,969,130.52x = 3,485,750,237,103.66
  5. Step 5: Solve for x
    x = 3,485,750,237,103.66/1,969,130.52
  6. Step 6: Final answer
    x = 1,770,197.66

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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.