Finding the Fourth Proportional to 7,674,173.62, 10,590,082.06 and 4,236,340.84
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Solution
The fourth proportional to 7,674,173.62, 10,590,082.06 and 4,236,340.84 is: 5,845,997.15
Step by Step Solution
- Step 1: Write the proportion equation
7,674,173.62 : 10,590,082.06 = 4,236,340.84 : x - Step 2: Convert to fraction form
7,674,173.62/10,590,082.06 = 4,236,340.84/x - Step 3: Cross multiply
7,674,173.62x = 10,590,082.06 × 4,236,340.84 - Step 4: Simplify right side
7,674,173.62x = 44,863,197,129,729.33 - Step 5: Solve for x
x = 44,863,197,129,729.33/7,674,173.62 - Step 6: Final answer
x = 5,845,997.15
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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.