Finding the Fourth Proportional to 6,157,603.45, 8,498,841.60 and 3,580,770.70
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Solution
The fourth proportional to 6,157,603.45, 8,498,841.60 and 3,580,770.70 is: 4,942,247.94
Step by Step Solution
- Step 1: Write the proportion equation
6,157,603.45 : 8,498,841.60 = 3,580,770.70 : x - Step 2: Convert to fraction form
6,157,603.45/8,498,841.60 = 3,580,770.70/x - Step 3: Cross multiply
6,157,603.45x = 8,498,841.60 × 3,580,770.70 - Step 4: Simplify right side
6,157,603.45x = 30,432,402,985,221.12 - Step 5: Solve for x
x = 30,432,402,985,221.12/6,157,603.45 - Step 6: Final answer
x = 4,942,247.94
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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.