Home / 2,991,178.80-4,486,768.20-2,790,412.20

Finding the Fourth Proportional to 2,991,178.80, 4,486,768.20 and 2,790,412.20

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Solution

The fourth proportional to 2,991,178.80, 4,486,768.20 and 2,790,412.20 is: 4,185,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,178.80 : 4,486,768.20 = 2,790,412.20 : x
  2. Step 2: Convert to fraction form
    2,991,178.80/4,486,768.20 = 2,790,412.20/x
  3. Step 3: Cross multiply
    2,991,178.80x = 4,486,768.20 × 2,790,412.20
  4. Step 4: Simplify right side
    2,991,178.80x = 12,519,932,723,852.04
  5. Step 5: Solve for x
    x = 12,519,932,723,852.04/2,991,178.80
  6. Step 6: Final answer
    x = 4,185,618.30

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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.