Home / 1,661,243.84-2,488,246.36-1,091,982.32

Finding the Fourth Proportional to 1,661,243.84, 2,488,246.36 and 1,091,982.32

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Solution

The fourth proportional to 1,661,243.84, 2,488,246.36 and 1,091,982.32 is: 1,635,594.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,243.84 : 2,488,246.36 = 1,091,982.32 : x
  2. Step 2: Convert to fraction form
    1,661,243.84/2,488,246.36 = 1,091,982.32/x
  3. Step 3: Cross multiply
    1,661,243.84x = 2,488,246.36 × 1,091,982.32
  4. Step 4: Simplify right side
    1,661,243.84x = 2,717,121,032,924.36
  5. Step 5: Solve for x
    x = 2,717,121,032,924.36/1,661,243.84
  6. Step 6: Final answer
    x = 1,635,594.35

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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.