Finding the Fourth Proportional to 2,548,933.13, 3,517,528.70 and 1,403,005.26
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Solution
The fourth proportional to 2,548,933.13, 3,517,528.70 and 1,403,005.26 is: 1,936,147.80
Step by Step Solution
- Step 1: Write the proportion equation
2,548,933.13 : 3,517,528.70 = 1,403,005.26 : x - Step 2: Convert to fraction form
2,548,933.13/3,517,528.70 = 1,403,005.26/x - Step 3: Cross multiply
2,548,933.13x = 3,517,528.70 × 1,403,005.26 - Step 4: Simplify right side
2,548,933.13x = 4,935,111,261,285.94 - Step 5: Solve for x
x = 4,935,111,261,285.94/2,548,933.13 - Step 6: Final answer
x = 1,936,147.80
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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.