Finding the Fourth Proportional to 4,207,672.48, 6,312,568.56 and 1,215,836.32
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Solution
The fourth proportional to 4,207,672.48, 6,312,568.56 and 1,215,836.32 is: 1,824,060.73
Step by Step Solution
- Step 1: Write the proportion equation
4,207,672.48 : 6,312,568.56 = 1,215,836.32 : x - Step 2: Convert to fraction form
4,207,672.48/6,312,568.56 = 1,215,836.32/x - Step 3: Cross multiply
4,207,672.48x = 6,312,568.56 × 1,215,836.32 - Step 4: Simplify right side
4,207,672.48x = 7,675,050,127,738.10 - Step 5: Solve for x
x = 7,675,050,127,738.10/4,207,672.48 - Step 6: Final answer
x = 1,824,060.73
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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.