Finding the Fourth Proportional to 5,954,871.68, 8,215,869.12 and 3,376,350.08
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Solution
The fourth proportional to 5,954,871.68, 8,215,869.12 and 3,376,350.08 is: 4,658,312.03
Step by Step Solution
- Step 1: Write the proportion equation
5,954,871.68 : 8,215,869.12 = 3,376,350.08 : x - Step 2: Convert to fraction form
5,954,871.68/8,215,869.12 = 3,376,350.08/x - Step 3: Cross multiply
5,954,871.68x = 8,215,869.12 × 3,376,350.08 - Step 4: Simplify right side
5,954,871.68x = 27,739,650,360,581.53 - Step 5: Solve for x
x = 27,739,650,360,581.53/5,954,871.68 - Step 6: Final answer
x = 4,658,312.03
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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.