Finding the Fourth Proportional to 8,579,186.99, 12,868,769.62 and 2,189,439.48
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Solution
The fourth proportional to 8,579,186.99, 12,868,769.62 and 2,189,439.48 is: 3,284,156.45
Step by Step Solution
- Step 1: Write the proportion equation
8,579,186.99 : 12,868,769.62 = 2,189,439.48 : x - Step 2: Convert to fraction form
8,579,186.99/12,868,769.62 = 2,189,439.48/x - Step 3: Cross multiply
8,579,186.99x = 12,868,769.62 × 2,189,439.48 - Step 4: Simplify right side
8,579,186.99x = 28,175,392,265,052.59 - Step 5: Solve for x
x = 28,175,392,265,052.59/8,579,186.99 - Step 6: Final answer
x = 3,284,156.45
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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.