Finding the Fourth Proportional to 4,245,691.74, 5,859,054.99 and 2,311,951.74
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Solution
The fourth proportional to 4,245,691.74, 5,859,054.99 and 2,311,951.74 is: 3,190,493.61
Step by Step Solution
- Step 1: Write the proportion equation
4,245,691.74 : 5,859,054.99 = 2,311,951.74 : x - Step 2: Convert to fraction form
4,245,691.74/5,859,054.99 = 2,311,951.74/x - Step 3: Cross multiply
4,245,691.74x = 5,859,054.99 × 2,311,951.74 - Step 4: Simplify right side
4,245,691.74x = 13,545,852,378,886.18 - Step 5: Solve for x
x = 13,545,852,378,886.18/4,245,691.74 - Step 6: Final answer
x = 3,190,493.61
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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.