Finding the Fourth Proportional to 1,072,147.20, 1,615,927.36 and 924,173.44
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Solution
The fourth proportional to 1,072,147.20, 1,615,927.36 and 924,173.44 is: 1,392,903.09
Step by Step Solution
- Step 1: Write the proportion equation
1,072,147.20 : 1,615,927.36 = 924,173.44 : x - Step 2: Convert to fraction form
1,072,147.20/1,615,927.36 = 924,173.44/x - Step 3: Cross multiply
1,072,147.20x = 1,615,927.36 × 924,173.44 - Step 4: Simplify right side
1,072,147.20x = 1,493,397,147,081.32 - Step 5: Solve for x
x = 1,493,397,147,081.32/1,072,147.20 - Step 6: Final answer
x = 1,392,903.09
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.