Home / 2,534,007.12-3,496,930.80-1,388,128.80

Finding the Fourth Proportional to 2,534,007.12, 3,496,930.80 and 1,388,128.80

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Solution

The fourth proportional to 2,534,007.12, 3,496,930.80 and 1,388,128.80 is: 1,915,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,534,007.12 : 3,496,930.80 = 1,388,128.80 : x
  2. Step 2: Convert to fraction form
    2,534,007.12/3,496,930.80 = 1,388,128.80/x
  3. Step 3: Cross multiply
    2,534,007.12x = 3,496,930.80 × 1,388,128.80
  4. Step 4: Simplify right side
    2,534,007.12x = 4,854,190,355,087.04
  5. Step 5: Solve for x
    x = 4,854,190,355,087.04/2,534,007.12
  6. Step 6: Final answer
    x = 1,915,618.28

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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.