Finding the Fourth Proportional to 5,541,976.40, 8,315,359.44 and 2,980,197.12
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Solution
The fourth proportional to 5,541,976.40, 8,315,359.44 and 2,980,197.12 is: 4,471,583.50
Step by Step Solution
- Step 1: Write the proportion equation
5,541,976.40 : 8,315,359.44 = 2,980,197.12 : x - Step 2: Convert to fraction form
5,541,976.40/8,315,359.44 = 2,980,197.12/x - Step 3: Cross multiply
5,541,976.40x = 8,315,359.44 × 2,980,197.12 - Step 4: Simplify right side
5,541,976.40x = 24,781,410,254,852.82 - Step 5: Solve for x
x = 24,781,410,254,852.82/5,541,976.40 - Step 6: Final answer
x = 4,471,583.50
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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.