Finding the Fourth Proportional to 5,731,251.40, 7,909,192.38 and 3,283,813.18
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Solution
The fourth proportional to 5,731,251.40, 7,909,192.38 and 3,283,813.18 is: 4,531,699.69
Step by Step Solution
- Step 1: Write the proportion equation
5,731,251.40 : 7,909,192.38 = 3,283,813.18 : x - Step 2: Convert to fraction form
5,731,251.40/7,909,192.38 = 3,283,813.18/x - Step 3: Cross multiply
5,731,251.40x = 7,909,192.38 × 3,283,813.18 - Step 4: Simplify right side
5,731,251.40x = 25,972,310,180,599.57 - Step 5: Solve for x
x = 25,972,310,180,599.57/5,731,251.40 - Step 6: Final answer
x = 4,531,699.69
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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.