Finding the Fourth Proportional to 2,637,627.05, 3,956,397.64 and 840,486.26
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Solution
The fourth proportional to 2,637,627.05, 3,956,397.64 and 840,486.26 is: 1,260,715.71
Step by Step Solution
- Step 1: Write the proportion equation
2,637,627.05 : 3,956,397.64 = 840,486.26 : x - Step 2: Convert to fraction form
2,637,627.05/3,956,397.64 = 840,486.26/x - Step 3: Cross multiply
2,637,627.05x = 3,956,397.64 × 840,486.26 - Step 4: Simplify right side
2,637,627.05x = 3,325,297,855,516.43 - Step 5: Solve for x
x = 3,325,297,855,516.43/2,637,627.05 - Step 6: Final answer
x = 1,260,715.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.