Finding the Fourth Proportional to 1,760,129.79, 2,428,895.12 and 1,080,935.07
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Solution
The fourth proportional to 1,760,129.79, 2,428,895.12 and 1,080,935.07 is: 1,491,638.82
Step by Step Solution
- Step 1: Write the proportion equation
1,760,129.79 : 2,428,895.12 = 1,080,935.07 : x - Step 2: Convert to fraction form
1,760,129.79/2,428,895.12 = 1,080,935.07/x - Step 3: Cross multiply
1,760,129.79x = 2,428,895.12 × 1,080,935.07 - Step 4: Simplify right side
1,760,129.79x = 2,625,477,916,559.86 - Step 5: Solve for x
x = 2,625,477,916,559.86/1,760,129.79 - Step 6: Final answer
x = 1,491,638.82
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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.