Home / 2,694,448.80-4,042,742.40-1,097,128.80

Finding the Fourth Proportional to 2,694,448.80, 4,042,742.40 and 1,097,128.80

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Solution

The fourth proportional to 2,694,448.80, 4,042,742.40 and 1,097,128.80 is: 1,646,128.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694,448.80 : 4,042,742.40 = 1,097,128.80 : x
  2. Step 2: Convert to fraction form
    2,694,448.80/4,042,742.40 = 1,097,128.80/x
  3. Step 3: Cross multiply
    2,694,448.80x = 4,042,742.40 × 1,097,128.80
  4. Step 4: Simplify right side
    2,694,448.80x = 4,435,409,118,021.12
  5. Step 5: Solve for x
    x = 4,435,409,118,021.12/2,694,448.80
  6. Step 6: Final answer
    x = 1,646,128.56

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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.