Finding the Fourth Proportional to 7,719,530.80, 11,579,379.19 and 2,328,227.94
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Solution
The fourth proportional to 7,719,530.80, 11,579,379.19 and 2,328,227.94 is: 3,492,366.94
Step by Step Solution
- Step 1: Write the proportion equation
7,719,530.80 : 11,579,379.19 = 2,328,227.94 : x - Step 2: Convert to fraction form
7,719,530.80/11,579,379.19 = 2,328,227.94/x - Step 3: Cross multiply
7,719,530.80x = 11,579,379.19 × 2,328,227.94 - Step 4: Simplify right side
7,719,530.80x = 26,959,434,146,371.43 - Step 5: Solve for x
x = 26,959,434,146,371.43/7,719,530.80 - Step 6: Final answer
x = 3,492,366.94
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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.