Finding the Fourth Proportional to 4,814,076.99, 6,643,412.54 and 2,638,613.42
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Solution
The fourth proportional to 4,814,076.99, 6,643,412.54 and 2,638,613.42 is: 3,641,279.00
Step by Step Solution
- Step 1: Write the proportion equation
4,814,076.99 : 6,643,412.54 = 2,638,613.42 : x - Step 2: Convert to fraction form
4,814,076.99/6,643,412.54 = 2,638,613.42/x - Step 3: Cross multiply
4,814,076.99x = 6,643,412.54 × 2,638,613.42 - Step 4: Simplify right side
4,814,076.99x = 17,529,397,436,230.16 - Step 5: Solve for x
x = 17,529,397,436,230.16/4,814,076.99 - Step 6: Final answer
x = 3,641,279.00
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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.