Finding the Fourth Proportional to 2,731,918.60, 4,097,163.87 and 812,312.84
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Solution
The fourth proportional to 2,731,918.60, 4,097,163.87 and 812,312.84 is: 1,218,256.94
Step by Step Solution
- Step 1: Write the proportion equation
2,731,918.60 : 4,097,163.87 = 812,312.84 : x - Step 2: Convert to fraction form
2,731,918.60/4,097,163.87 = 812,312.84/x - Step 3: Cross multiply
2,731,918.60x = 4,097,163.87 × 812,312.84 - Step 4: Simplify right side
2,731,918.60x = 3,328,178,800,730.05 - Step 5: Solve for x
x = 3,328,178,800,730.05/2,731,918.60 - Step 6: Final answer
x = 1,218,256.94
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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.