Finding the Fourth Proportional to 5,579,346.12, 8,361,034.20 and 3,178,229.10
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Solution
The fourth proportional to 5,579,346.12, 8,361,034.20 and 3,178,229.10 is: 4,762,795.07
Step by Step Solution
- Step 1: Write the proportion equation
5,579,346.12 : 8,361,034.20 = 3,178,229.10 : x - Step 2: Convert to fraction form
5,579,346.12/8,361,034.20 = 3,178,229.10/x - Step 3: Cross multiply
5,579,346.12x = 8,361,034.20 × 3,178,229.10 - Step 4: Simplify right side
5,579,346.12x = 26,573,282,200,535.22 - Step 5: Solve for x
x = 26,573,282,200,535.22/5,579,346.12 - Step 6: Final answer
x = 4,762,795.07
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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.