Finding the Fourth Proportional to 5,776,738.84, 7,971,983.58 and 3,327,998.68
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Solution
The fourth proportional to 5,776,738.84, 7,971,983.58 and 3,327,998.68 is: 4,592,686.56
Step by Step Solution
- Step 1: Write the proportion equation
5,776,738.84 : 7,971,983.58 = 3,327,998.68 : x - Step 2: Convert to fraction form
5,776,738.84/7,971,983.58 = 3,327,998.68/x - Step 3: Cross multiply
5,776,738.84x = 7,971,983.58 × 3,327,998.68 - Step 4: Simplify right side
5,776,738.84x = 26,530,750,831,221.68 - Step 5: Solve for x
x = 26,530,750,831,221.68/5,776,738.84 - Step 6: Final answer
x = 4,592,686.56
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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.