Finding the Fourth Proportional to 3,743,880.36, 5,129,091.55 and 3,603,881.18
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Solution
The fourth proportional to 3,743,880.36, 5,129,091.55 and 3,603,881.18 is: 4,937,293.60
Step by Step Solution
- Step 1: Write the proportion equation
3,743,880.36 : 5,129,091.55 = 3,603,881.18 : x - Step 2: Convert to fraction form
3,743,880.36/5,129,091.55 = 3,603,881.18/x - Step 3: Cross multiply
3,743,880.36x = 5,129,091.55 × 3,603,881.18 - Step 4: Simplify right side
3,743,880.36x = 18,484,636,524,869.61 - Step 5: Solve for x
x = 18,484,636,524,869.61/3,743,880.36 - Step 6: Final answer
x = 4,937,293.60
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.