Finding the Fourth Proportional to 4,255,458.47, 6,386,589.17 and 2,206,701.17
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Solution
The fourth proportional to 4,255,458.47, 6,386,589.17 and 2,206,701.17 is: 3,311,815.60
Step by Step Solution
- Step 1: Write the proportion equation
4,255,458.47 : 6,386,589.17 = 2,206,701.17 : x - Step 2: Convert to fraction form
4,255,458.47/6,386,589.17 = 2,206,701.17/x - Step 3: Cross multiply
4,255,458.47x = 6,386,589.17 × 2,206,701.17 - Step 4: Simplify right side
4,255,458.47x = 14,093,293,750,781.88 - Step 5: Solve for x
x = 14,093,293,750,781.88/4,255,458.47 - Step 6: Final answer
x = 3,311,815.60
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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.