Finding the Fourth Proportional to 4,741,135.68, 7,108,823.61 and 1,859,049.54
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Solution
The fourth proportional to 4,741,135.68, 7,108,823.61 and 1,859,049.54 is: 2,787,445.07
Step by Step Solution
- Step 1: Write the proportion equation
4,741,135.68 : 7,108,823.61 = 1,859,049.54 : x - Step 2: Convert to fraction form
4,741,135.68/7,108,823.61 = 1,859,049.54/x - Step 3: Cross multiply
4,741,135.68x = 7,108,823.61 × 1,859,049.54 - Step 4: Simplify right side
4,741,135.68x = 13,215,655,262,111.64 - Step 5: Solve for x
x = 13,215,655,262,111.64/4,741,135.68 - Step 6: Final answer
x = 2,787,445.07
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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.