Finding the Fourth Proportional to 5,623,820.42, 7,758,674.96 and 3,268,626.84
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Solution
The fourth proportional to 5,623,820.42, 7,758,674.96 and 3,268,626.84 is: 4,509,427.99
Step by Step Solution
- Step 1: Write the proportion equation
5,623,820.42 : 7,758,674.96 = 3,268,626.84 : x - Step 2: Convert to fraction form
5,623,820.42/7,758,674.96 = 3,268,626.84/x - Step 3: Cross multiply
5,623,820.42x = 7,758,674.96 × 3,268,626.84 - Step 4: Simplify right side
5,623,820.42x = 25,360,213,200,748.79 - Step 5: Solve for x
x = 25,360,213,200,748.79/5,623,820.42 - Step 6: Final answer
x = 4,509,427.99
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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.