Finding the Fourth Proportional to 3,670,998.40, 5,506,497.60 and 2,236,107.70
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Solution
The fourth proportional to 3,670,998.40, 5,506,497.60 and 2,236,107.70 is: 3,354,161.55
Step by Step Solution
- Step 1: Write the proportion equation
3,670,998.40 : 5,506,497.60 = 2,236,107.70 : x - Step 2: Convert to fraction form
3,670,998.40/5,506,497.60 = 2,236,107.70/x - Step 3: Cross multiply
3,670,998.40x = 5,506,497.60 × 2,236,107.70 - Step 4: Simplify right side
3,670,998.40x = 12,313,121,683,391.52 - Step 5: Solve for x
x = 12,313,121,683,391.52/3,670,998.40 - Step 6: Final answer
x = 3,354,161.55
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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.