Finding the Fourth Proportional to 1,992,342.12, 2,749,419.10 and 1,132,902.44
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Solution
The fourth proportional to 1,992,342.12, 2,749,419.10 and 1,132,902.44 is: 1,563,397.96
Step by Step Solution
- Step 1: Write the proportion equation
1,992,342.12 : 2,749,419.10 = 1,132,902.44 : x - Step 2: Convert to fraction form
1,992,342.12/2,749,419.10 = 1,132,902.44/x - Step 3: Cross multiply
1,992,342.12x = 2,749,419.10 × 1,132,902.44 - Step 4: Simplify right side
1,992,342.12x = 3,114,823,606,972.60 - Step 5: Solve for x
x = 3,114,823,606,972.60/1,992,342.12 - Step 6: Final answer
x = 1,563,397.96
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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.