Finding the Fourth Proportional to 1,992,955.97, 2,749,560.52 and 1,534,211.01
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Solution
The fourth proportional to 1,992,955.97, 2,749,560.52 and 1,534,211.01 is: 2,116,657.91
Step by Step Solution
- Step 1: Write the proportion equation
1,992,955.97 : 2,749,560.52 = 1,534,211.01 : x - Step 2: Convert to fraction form
1,992,955.97/2,749,560.52 = 1,534,211.01/x - Step 3: Cross multiply
1,992,955.97x = 2,749,560.52 × 1,534,211.01 - Step 4: Simplify right side
1,992,955.97x = 4,218,406,022,445.33 - Step 5: Solve for x
x = 4,218,406,022,445.33/1,992,955.97 - Step 6: Final answer
x = 2,116,657.91
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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.