Finding the Fourth Proportional to 6,288,267.97, 8,677,237.17 and 3,638,657.44
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Solution
The fourth proportional to 6,288,267.97, 8,677,237.17 and 3,638,657.44 is: 5,021,015.92
Step by Step Solution
- Step 1: Write the proportion equation
6,288,267.97 : 8,677,237.17 = 3,638,657.44 : x - Step 2: Convert to fraction form
6,288,267.97/8,677,237.17 = 3,638,657.44/x - Step 3: Cross multiply
6,288,267.97x = 8,677,237.17 × 3,638,657.44 - Step 4: Simplify right side
6,288,267.97x = 31,573,493,587,265.04 - Step 5: Solve for x
x = 31,573,493,587,265.04/6,288,267.97 - Step 6: Final answer
x = 5,021,015.92
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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.