Finding the Fourth Proportional to 8,579,277.36, 12,868,905.69 and 2,189,530.44
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Solution
The fourth proportional to 8,579,277.36, 12,868,905.69 and 2,189,530.44 is: 3,284,293.02
Step by Step Solution
- Step 1: Write the proportion equation
8,579,277.36 : 12,868,905.69 = 2,189,530.44 : x - Step 2: Convert to fraction form
8,579,277.36/12,868,905.69 = 2,189,530.44/x - Step 3: Cross multiply
8,579,277.36x = 12,868,905.69 × 2,189,530.44 - Step 4: Simplify right side
8,579,277.36x = 28,176,860,737,744.20 - Step 5: Solve for x
x = 28,176,860,737,744.20/8,579,277.36 - Step 6: Final answer
x = 3,284,293.02
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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.