Finding the Fourth Proportional to 5,684,833.40, 7,845,172.70 and 3,106,622.84
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Solution
The fourth proportional to 5,684,833.40, 7,845,172.70 and 3,106,622.84 is: 4,287,195.59
Step by Step Solution
- Step 1: Write the proportion equation
5,684,833.40 : 7,845,172.70 = 3,106,622.84 : x - Step 2: Convert to fraction form
5,684,833.40/7,845,172.70 = 3,106,622.84/x - Step 3: Cross multiply
5,684,833.40x = 7,845,172.70 × 3,106,622.84 - Step 4: Simplify right side
5,684,833.40x = 24,371,992,693,564.47 - Step 5: Solve for x
x = 24,371,992,693,564.47/5,684,833.40 - Step 6: Final answer
x = 4,287,195.59
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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.