Finding the Fourth Proportional to 5,284,211.40, 7,292,088.35 and 3,108,894.84
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Solution
The fourth proportional to 5,284,211.40, 7,292,088.35 and 3,108,894.84 is: 4,290,202.29
Step by Step Solution
- Step 1: Write the proportion equation
5,284,211.40 : 7,292,088.35 = 3,108,894.84 : x - Step 2: Convert to fraction form
5,284,211.40/7,292,088.35 = 3,108,894.84/x - Step 3: Cross multiply
5,284,211.40x = 7,292,088.35 × 3,108,894.84 - Step 4: Simplify right side
5,284,211.40x = 22,670,335,840,252.99 - Step 5: Solve for x
x = 22,670,335,840,252.99/5,284,211.40 - Step 6: Final answer
x = 4,290,202.29
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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.