Home / 6,179,479.80-9,269,219.70-1,919,614.20

Finding the Fourth Proportional to 6,179,479.80, 9,269,219.70 and 1,919,614.20

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Solution

The fourth proportional to 6,179,479.80, 9,269,219.70 and 1,919,614.20 is: 2,879,421.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179,479.80 : 9,269,219.70 = 1,919,614.20 : x
  2. Step 2: Convert to fraction form
    6,179,479.80/9,269,219.70 = 1,919,614.20/x
  3. Step 3: Cross multiply
    6,179,479.80x = 9,269,219.70 × 1,919,614.20
  4. Step 4: Simplify right side
    6,179,479.80x = 17,793,325,759,039.74
  5. Step 5: Solve for x
    x = 17,793,325,759,039.74/6,179,479.80
  6. Step 6: Final answer
    x = 2,879,421.30

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Double scale
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Similar ratio
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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.