Finding the Fourth Proportional to 5,746,927.19, 7,964,993.12 and 5,639,310.38
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Solution
The fourth proportional to 5,746,927.19, 7,964,993.12 and 5,639,310.38 is: 7,815,840.87
Step by Step Solution
- Step 1: Write the proportion equation
5,746,927.19 : 7,964,993.12 = 5,639,310.38 : x - Step 2: Convert to fraction form
5,746,927.19/7,964,993.12 = 5,639,310.38/x - Step 3: Cross multiply
5,746,927.19x = 7,964,993.12 × 5,639,310.38 - Step 4: Simplify right side
5,746,927.19x = 44,917,068,369,960.52 - Step 5: Solve for x
x = 44,917,068,369,960.52/5,746,927.19 - Step 6: Final answer
x = 7,815,840.87
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.