Home / 3,434,378.94-4,739,205.51-1,906,365.78

Finding the Fourth Proportional to 3,434,378.94, 4,739,205.51 and 1,906,365.78

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Solution

The fourth proportional to 3,434,378.94, 4,739,205.51 and 1,906,365.78 is: 2,630,652.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434,378.94 : 4,739,205.51 = 1,906,365.78 : x
  2. Step 2: Convert to fraction form
    3,434,378.94/4,739,205.51 = 1,906,365.78/x
  3. Step 3: Cross multiply
    3,434,378.94x = 4,739,205.51 × 1,906,365.78
  4. Step 4: Simplify right side
    3,434,378.94x = 9,034,659,208,651.45
  5. Step 5: Solve for x
    x = 9,034,659,208,651.45/3,434,378.94
  6. Step 6: Final answer
    x = 2,630,652.98

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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.