Finding the Fourth Proportional to 6,328,830.32, 8,733,827.77 and 3,428,221.19
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Solution
The fourth proportional to 6,328,830.32, 8,733,827.77 and 3,428,221.19 is: 4,730,967.95
Step by Step Solution
- Step 1: Write the proportion equation
6,328,830.32 : 8,733,827.77 = 3,428,221.19 : x - Step 2: Convert to fraction form
6,328,830.32/8,733,827.77 = 3,428,221.19/x - Step 3: Cross multiply
6,328,830.32x = 8,733,827.77 × 3,428,221.19 - Step 4: Simplify right side
6,328,830.32x = 29,941,493,378,684.75 - Step 5: Solve for x
x = 29,941,493,378,684.75/6,328,830.32 - Step 6: Final answer
x = 4,730,967.95
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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.