Home / 3,085,776.12-4,629,403.20-1,287,659.35

Finding the Fourth Proportional to 3,085,776.12, 4,629,403.20 and 1,287,659.35

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Solution

The fourth proportional to 3,085,776.12, 4,629,403.20 and 1,287,659.35 is: 1,931,797.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,085,776.12 : 4,629,403.20 = 1,287,659.35 : x
  2. Step 2: Convert to fraction form
    3,085,776.12/4,629,403.20 = 1,287,659.35/x
  3. Step 3: Cross multiply
    3,085,776.12x = 4,629,403.20 × 1,287,659.35
  4. Step 4: Simplify right side
    3,085,776.12x = 5,961,094,315,399.92
  5. Step 5: Solve for x
    x = 5,961,094,315,399.92/3,085,776.12
  6. Step 6: Final answer
    x = 1,931,797.41

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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.