Finding the Fourth Proportional to 5,193,552.99, 7,790,488.18 and 1,781,791.72
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Solution
The fourth proportional to 5,193,552.99, 7,790,488.18 and 1,781,791.72 is: 2,672,742.03
Step by Step Solution
- Step 1: Write the proportion equation
5,193,552.99 : 7,790,488.18 = 1,781,791.72 : x - Step 2: Convert to fraction form
5,193,552.99/7,790,488.18 = 1,781,791.72/x - Step 3: Cross multiply
5,193,552.99x = 7,790,488.18 × 1,781,791.72 - Step 4: Simplify right side
5,193,552.99x = 13,881,027,338,336.35 - Step 5: Solve for x
x = 13,881,027,338,336.35/5,193,552.99 - Step 6: Final answer
x = 2,672,742.03
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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.