Finding the Fourth Proportional to 1,369,122.26, 1,888,810.17 and 916,559.06
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Solution
The fourth proportional to 1,369,122.26, 1,888,810.17 and 916,559.06 is: 1,264,464.19
Step by Step Solution
- Step 1: Write the proportion equation
1,369,122.26 : 1,888,810.17 = 916,559.06 : x - Step 2: Convert to fraction form
1,369,122.26/1,888,810.17 = 916,559.06/x - Step 3: Cross multiply
1,369,122.26x = 1,888,810.17 × 916,559.06 - Step 4: Simplify right side
1,369,122.26x = 1,731,206,073,933.64 - Step 5: Solve for x
x = 1,731,206,073,933.64/1,369,122.26 - Step 6: Final answer
x = 1,264,464.19
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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.