Home / 2,979,574.80-4,469,362.20-2,766,998.40

Finding the Fourth Proportional to 2,979,574.80, 4,469,362.20 and 2,766,998.40

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Solution

The fourth proportional to 2,979,574.80, 4,469,362.20 and 2,766,998.40 is: 4,150,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,574.80 : 4,469,362.20 = 2,766,998.40 : x
  2. Step 2: Convert to fraction form
    2,979,574.80/4,469,362.20 = 2,766,998.40/x
  3. Step 3: Cross multiply
    2,979,574.80x = 4,469,362.20 × 2,766,998.40
  4. Step 4: Simplify right side
    2,979,574.80x = 12,366,718,056,420.48
  5. Step 5: Solve for x
    x = 12,366,718,056,420.48/2,979,574.80
  6. Step 6: Final answer
    x = 4,150,497.60

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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.