Home / 3,085,782.36-4,629,412.56-1,287,665.58

Finding the Fourth Proportional to 3,085,782.36, 4,629,412.56 and 1,287,665.58

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Solution

The fourth proportional to 3,085,782.36, 4,629,412.56 and 1,287,665.58 is: 1,931,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,782.36 : 4,629,412.56 = 1,287,665.58 : x
  2. Step 2: Convert to fraction form
    3,085,782.36/4,629,412.56 = 1,287,665.58/x
  3. Step 3: Cross multiply
    3,085,782.36x = 4,629,412.56 × 1,287,665.58
  4. Step 4: Simplify right side
    3,085,782.36x = 5,961,135,209,131.69
  5. Step 5: Solve for x
    x = 5,961,135,209,131.69/3,085,782.36
  6. Step 6: Final answer
    x = 1,931,806.76

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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.