Finding the Fourth Proportional to 5,193,634.84, 7,790,218.52 and 3,488,496.55
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Solution
The fourth proportional to 5,193,634.84, 7,790,218.52 and 3,488,496.55 is: 5,232,587.82
Step by Step Solution
- Step 1: Write the proportion equation
5,193,634.84 : 7,790,218.52 = 3,488,496.55 : x - Step 2: Convert to fraction form
5,193,634.84/7,790,218.52 = 3,488,496.55/x - Step 3: Cross multiply
5,193,634.84x = 7,790,218.52 × 3,488,496.55 - Step 4: Simplify right side
5,193,634.84x = 27,176,150,430,766.10 - Step 5: Solve for x
x = 27,176,150,430,766.10/5,193,634.84 - Step 6: Final answer
x = 5,232,587.82
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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.