Finding the Fourth Proportional to 3,906,436.18, 5,868,634.62 and 2,756,329.78
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Solution
The fourth proportional to 3,906,436.18, 5,868,634.62 and 2,756,329.78 is: 4,140,831.09
Step by Step Solution
- Step 1: Write the proportion equation
3,906,436.18 : 5,868,634.62 = 2,756,329.78 : x - Step 2: Convert to fraction form
3,906,436.18/5,868,634.62 = 2,756,329.78/x - Step 3: Cross multiply
3,906,436.18x = 5,868,634.62 × 2,756,329.78 - Step 4: Simplify right side
3,906,436.18x = 16,175,892,371,044.98 - Step 5: Solve for x
x = 16,175,892,371,044.98/3,906,436.18 - Step 6: Final answer
x = 4,140,831.09
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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.