Finding the Fourth Proportional to 1,631,654.64, 2,252,005.56 and 1,042,577.28
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Solution
The fourth proportional to 1,631,654.64, 2,252,005.56 and 1,042,577.28 is: 1,438,962.49
Step by Step Solution
- Step 1: Write the proportion equation
1,631,654.64 : 2,252,005.56 = 1,042,577.28 : x - Step 2: Convert to fraction form
1,631,654.64/2,252,005.56 = 1,042,577.28/x - Step 3: Cross multiply
1,631,654.64x = 2,252,005.56 × 1,042,577.28 - Step 4: Simplify right side
1,631,654.64x = 2,347,889,831,289.68 - Step 5: Solve for x
x = 2,347,889,831,289.68/1,631,654.64 - Step 6: Final answer
x = 1,438,962.49
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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.