Finding the Fourth Proportional to 5,911,874.66, 8,158,383.40 and 3,195,620.66
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Solution
The fourth proportional to 5,911,874.66, 8,158,383.40 and 3,195,620.66 is: 4,409,954.55
Step by Step Solution
- Step 1: Write the proportion equation
5,911,874.66 : 8,158,383.40 = 3,195,620.66 : x - Step 2: Convert to fraction form
5,911,874.66/8,158,383.40 = 3,195,620.66/x - Step 3: Cross multiply
5,911,874.66x = 8,158,383.40 × 3,195,620.66 - Step 4: Simplify right side
5,911,874.66x = 26,071,098,545,241.05 - Step 5: Solve for x
x = 26,071,098,545,241.05/5,911,874.66 - Step 6: Final answer
x = 4,409,954.55
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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.