Finding the Fourth Proportional to 6,328,444.20, 8,733,253.32 and 3,427,836.09
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Solution
The fourth proportional to 6,328,444.20, 8,733,253.32 and 3,427,836.09 is: 4,730,413.98
Step by Step Solution
- Step 1: Write the proportion equation
6,328,444.20 : 8,733,253.32 = 3,427,836.09 : x - Step 2: Convert to fraction form
6,328,444.20/8,733,253.32 = 3,427,836.09/x - Step 3: Cross multiply
6,328,444.20x = 8,733,253.32 × 3,427,836.09 - Step 4: Simplify right side
6,328,444.20x = 29,936,160,913,408.32 - Step 5: Solve for x
x = 29,936,160,913,408.32/6,328,444.20 - Step 6: Final answer
x = 4,730,413.98
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1.5x scale
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.