Home / 2,157,535.36-2,978,518.09-1,576,105.62

Finding the Fourth Proportional to 2,157,535.36, 2,978,518.09 and 1,576,105.62

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Solution

The fourth proportional to 2,157,535.36, 2,978,518.09 and 1,576,105.62 is: 2,175,843.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,535.36 : 2,978,518.09 = 1,576,105.62 : x
  2. Step 2: Convert to fraction form
    2,157,535.36/2,978,518.09 = 1,576,105.62/x
  3. Step 3: Cross multiply
    2,157,535.36x = 2,978,518.09 × 1,576,105.62
  4. Step 4: Simplify right side
    2,157,535.36x = 4,694,459,100,920.67
  5. Step 5: Solve for x
    x = 4,694,459,100,920.67/2,157,535.36
  6. Step 6: Final answer
    x = 2,175,843.41

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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.