Home / 3,152,485.20-4,728,727.80-1,891,736.40

Finding the Fourth Proportional to 3,152,485.20, 4,728,727.80 and 1,891,736.40

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Solution

The fourth proportional to 3,152,485.20, 4,728,727.80 and 1,891,736.40 is: 2,837,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152,485.20 : 4,728,727.80 = 1,891,736.40 : x
  2. Step 2: Convert to fraction form
    3,152,485.20/4,728,727.80 = 1,891,736.40/x
  3. Step 3: Cross multiply
    3,152,485.20x = 4,728,727.80 × 1,891,736.40
  4. Step 4: Simplify right side
    3,152,485.20x = 8,945,506,504,951.92
  5. Step 5: Solve for x
    x = 8,945,506,504,951.92/3,152,485.20
  6. Step 6: Final answer
    x = 2,837,604.60

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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.