Finding the Fourth Proportional to 5,438,604.70, 8,157,907.05 and 2,604,252.70
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Solution
The fourth proportional to 5,438,604.70, 8,157,907.05 and 2,604,252.70 is: 3,906,379.05
Step by Step Solution
- Step 1: Write the proportion equation
5,438,604.70 : 8,157,907.05 = 2,604,252.70 : x - Step 2: Convert to fraction form
5,438,604.70/8,157,907.05 = 2,604,252.70/x - Step 3: Cross multiply
5,438,604.70x = 8,157,907.05 × 2,604,252.70 - Step 4: Simplify right side
5,438,604.70x = 21,245,251,461,311.54 - Step 5: Solve for x
x = 21,245,251,461,311.54/5,438,604.70 - Step 6: Final answer
x = 3,906,379.05
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1.5x scale
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.