Finding the Fourth Proportional to 5,647,438.35, 7,793,513.28 and 3,069,118.44
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Solution
The fourth proportional to 5,647,438.35, 7,793,513.28 and 3,069,118.44 is: 4,235,409.73
Step by Step Solution
- Step 1: Write the proportion equation
5,647,438.35 : 7,793,513.28 = 3,069,118.44 : x - Step 2: Convert to fraction form
5,647,438.35/7,793,513.28 = 3,069,118.44/x - Step 3: Cross multiply
5,647,438.35x = 7,793,513.28 × 3,069,118.44 - Step 4: Simplify right side
5,647,438.35x = 23,919,215,320,032.88 - Step 5: Solve for x
x = 23,919,215,320,032.88/5,647,438.35 - Step 6: Final answer
x = 4,235,409.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.