Finding the Fourth Proportional to 4,811,685.29, 6,640,125.50 and 2,636,310.95
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Solution
The fourth proportional to 4,811,685.29, 6,640,125.50 and 2,636,310.95 is: 3,638,109.00
Step by Step Solution
- Step 1: Write the proportion equation
4,811,685.29 : 6,640,125.50 = 2,636,310.95 : x - Step 2: Convert to fraction form
4,811,685.29/6,640,125.50 = 2,636,310.95/x - Step 3: Cross multiply
4,811,685.29x = 6,640,125.50 × 2,636,310.95 - Step 4: Simplify right side
4,811,685.29x = 17,505,435,538,414.38 - Step 5: Solve for x
x = 17,505,435,538,414.38/4,811,685.29 - Step 6: Final answer
x = 3,638,109.00
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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.