Finding the Fourth Proportional to 1,351,675.98, 1,862,253.81 and 1,109,575.26
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Solution
The fourth proportional to 1,351,675.98, 1,862,253.81 and 1,109,575.26 is: 1,528,702.73
Step by Step Solution
- Step 1: Write the proportion equation
1,351,675.98 : 1,862,253.81 = 1,109,575.26 : x - Step 2: Convert to fraction form
1,351,675.98/1,862,253.81 = 1,109,575.26/x - Step 3: Cross multiply
1,351,675.98x = 1,862,253.81 × 1,109,575.26 - Step 4: Simplify right side
1,351,675.98x = 2,066,310,755,416.74 - Step 5: Solve for x
x = 2,066,310,755,416.74/1,351,675.98 - Step 6: Final answer
x = 1,528,702.73
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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.