Finding the Fourth Proportional to 3,127,696.25, 4,314,938.10 and 1,903,019.99
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Solution
The fourth proportional to 3,127,696.25, 4,314,938.10 and 1,903,019.99 is: 2,625,387.12
Step by Step Solution
- Step 1: Write the proportion equation
3,127,696.25 : 4,314,938.10 = 1,903,019.99 : x - Step 2: Convert to fraction form
3,127,696.25/4,314,938.10 = 1,903,019.99/x - Step 3: Cross multiply
3,127,696.25x = 4,314,938.10 × 1,903,019.99 - Step 4: Simplify right side
3,127,696.25x = 8,211,413,459,912.62 - Step 5: Solve for x
x = 8,211,413,459,912.62/3,127,696.25 - Step 6: Final answer
x = 2,625,387.12
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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.