Finding the Fourth Proportional to 4,881,367.60, 7,321,972.92 and 1,515,577.84
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Solution
The fourth proportional to 4,881,367.60, 7,321,972.92 and 1,515,577.84 is: 2,273,342.39
Step by Step Solution
- Step 1: Write the proportion equation
4,881,367.60 : 7,321,972.92 = 1,515,577.84 : x - Step 2: Convert to fraction form
4,881,367.60/7,321,972.92 = 1,515,577.84/x - Step 3: Cross multiply
4,881,367.60x = 7,321,972.92 × 1,515,577.84 - Step 4: Simplify right side
4,881,367.60x = 11,097,019,902,632.09 - Step 5: Solve for x
x = 11,097,019,902,632.09/4,881,367.60 - Step 6: Final answer
x = 2,273,342.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.