Finding the Fourth Proportional to 5,269,725.60, 7,899,204.75 and 2,990,436.03
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Solution
The fourth proportional to 5,269,725.60, 7,899,204.75 and 2,990,436.03 is: 4,482,598.96
Step by Step Solution
- Step 1: Write the proportion equation
5,269,725.60 : 7,899,204.75 = 2,990,436.03 : x - Step 2: Convert to fraction form
5,269,725.60/7,899,204.75 = 2,990,436.03/x - Step 3: Cross multiply
5,269,725.60x = 7,899,204.75 × 2,990,436.03 - Step 4: Simplify right side
5,269,725.60x = 23,622,066,492,747.14 - Step 5: Solve for x
x = 23,622,066,492,747.14/5,269,725.60 - Step 6: Final answer
x = 4,482,598.96
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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.