Home / 3,085,903.56-4,629,594.08-1,287,786.72

Finding the Fourth Proportional to 3,085,903.56, 4,629,594.08 and 1,287,786.72

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Solution

The fourth proportional to 3,085,903.56, 4,629,594.08 and 1,287,786.72 is: 1,931,988.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,903.56 : 4,629,594.08 = 1,287,786.72 : x
  2. Step 2: Convert to fraction form
    3,085,903.56/4,629,594.08 = 1,287,786.72/x
  3. Step 3: Cross multiply
    3,085,903.56x = 4,629,594.08 × 1,287,786.72
  4. Step 4: Simplify right side
    3,085,903.56x = 5,961,929,775,214.62
  5. Step 5: Solve for x
    x = 5,961,929,775,214.62/3,085,903.56
  6. Step 6: Final answer
    x = 1,931,988.37

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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.