Finding the Fourth Proportional to 4,752,846.70, 7,129,270.05 and 3,965,526.70
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Solution
The fourth proportional to 4,752,846.70, 7,129,270.05 and 3,965,526.70 is: 5,948,290.05
Step by Step Solution
- Step 1: Write the proportion equation
4,752,846.70 : 7,129,270.05 = 3,965,526.70 : x - Step 2: Convert to fraction form
4,752,846.70/7,129,270.05 = 3,965,526.70/x - Step 3: Cross multiply
4,752,846.70x = 7,129,270.05 × 3,965,526.70 - Step 4: Simplify right side
4,752,846.70x = 28,271,310,734,785.34 - Step 5: Solve for x
x = 28,271,310,734,785.34/4,752,846.70 - Step 6: Final answer
x = 5,948,290.05
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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.