Finding the Fourth Proportional to 5,684,830.40, 7,845,168.56 and 3,106,619.84
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Solution
The fourth proportional to 5,684,830.40, 7,845,168.56 and 3,106,619.84 is: 4,287,191.45
Step by Step Solution
- Step 1: Write the proportion equation
5,684,830.40 : 7,845,168.56 = 3,106,619.84 : x - Step 2: Convert to fraction form
5,684,830.40/7,845,168.56 = 3,106,619.84/x - Step 3: Cross multiply
5,684,830.40x = 7,845,168.56 × 3,106,619.84 - Step 4: Simplify right side
5,684,830.40x = 24,371,956,296,640.23 - Step 5: Solve for x
x = 24,371,956,296,640.23/5,684,830.40 - Step 6: Final answer
x = 4,287,191.45
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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.