Finding the Fourth Proportional to 2,847,715.68, 3,929,650.20 and 1,624,072.96
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Solution
The fourth proportional to 2,847,715.68, 3,929,650.20 and 1,624,072.96 is: 2,241,108.08
Step by Step Solution
- Step 1: Write the proportion equation
2,847,715.68 : 3,929,650.20 = 1,624,072.96 : x - Step 2: Convert to fraction form
2,847,715.68/3,929,650.20 = 1,624,072.96/x - Step 3: Cross multiply
2,847,715.68x = 3,929,650.20 × 1,624,072.96 - Step 4: Simplify right side
2,847,715.68x = 6,382,038,632,078.59 - Step 5: Solve for x
x = 6,382,038,632,078.59/2,847,715.68 - Step 6: Final answer
x = 2,241,108.08
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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.