Finding the Fourth Proportional to 5,500,276.25, 7,590,236.22 and 3,052,881.09
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Solution
The fourth proportional to 5,500,276.25, 7,590,236.22 and 3,052,881.09 is: 4,212,895.42
Step by Step Solution
- Step 1: Write the proportion equation
5,500,276.25 : 7,590,236.22 = 3,052,881.09 : x - Step 2: Convert to fraction form
5,500,276.25/7,590,236.22 = 3,052,881.09/x - Step 3: Cross multiply
5,500,276.25x = 7,590,236.22 × 3,052,881.09 - Step 4: Simplify right side
5,500,276.25x = 23,172,088,624,671.08 - Step 5: Solve for x
x = 23,172,088,624,671.08/5,500,276.25 - Step 6: Final answer
x = 4,212,895.42
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.