Home / 2,728,117.80-4,085,178.30-2,602,146.60

Finding the Fourth Proportional to 2,728,117.80, 4,085,178.30 and 2,602,146.60

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Solution

The fourth proportional to 2,728,117.80, 4,085,178.30 and 2,602,146.60 is: 3,896,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728,117.80 : 4,085,178.30 = 2,602,146.60 : x
  2. Step 2: Convert to fraction form
    2,728,117.80/4,085,178.30 = 2,602,146.60/x
  3. Step 3: Cross multiply
    2,728,117.80x = 4,085,178.30 × 2,602,146.60
  4. Step 4: Simplify right side
    2,728,117.80x = 10,630,232,823,738.78
  5. Step 5: Solve for x
    x = 10,630,232,823,738.78/2,728,117.80
  6. Step 6: Final answer
    x = 3,896,544.65

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1.5x scale

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.