Home / 2,770,660.80-4,148,992.80-1,818,878.40

Finding the Fourth Proportional to 2,770,660.80, 4,148,992.80 and 1,818,878.40

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Solution

The fourth proportional to 2,770,660.80, 4,148,992.80 and 1,818,878.40 is: 2,723,723.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,660.80 : 4,148,992.80 = 1,818,878.40 : x
  2. Step 2: Convert to fraction form
    2,770,660.80/4,148,992.80 = 1,818,878.40/x
  3. Step 3: Cross multiply
    2,770,660.80x = 4,148,992.80 × 1,818,878.40
  4. Step 4: Simplify right side
    2,770,660.80x = 7,546,513,385,675.52
  5. Step 5: Solve for x
    x = 7,546,513,385,675.52/2,770,660.80
  6. Step 6: Final answer
    x = 2,723,723.30

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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.