Finding the Fourth Proportional to 3,702,117.20, 5,554,062.84 and 1,273,228.88
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Solution
The fourth proportional to 3,702,117.20, 5,554,062.84 and 1,273,228.88 is: 1,910,148.39
Step by Step Solution
- Step 1: Write the proportion equation
3,702,117.20 : 5,554,062.84 = 1,273,228.88 : x - Step 2: Convert to fraction form
3,702,117.20/5,554,062.84 = 1,273,228.88/x - Step 3: Cross multiply
3,702,117.20x = 5,554,062.84 × 1,273,228.88 - Step 4: Simplify right side
3,702,117.20x = 7,071,593,209,222.82 - Step 5: Solve for x
x = 7,071,593,209,222.82/3,702,117.20 - Step 6: Final answer
x = 1,910,148.39
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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.