Finding the Fourth Proportional to 1,734,878.51, 2,394,383.75 and 999,689.75
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Solution
The fourth proportional to 1,734,878.51, 2,394,383.75 and 999,689.75 is: 1,379,716.72
Step by Step Solution
- Step 1: Write the proportion equation
1,734,878.51 : 2,394,383.75 = 999,689.75 : x - Step 2: Convert to fraction form
1,734,878.51/2,394,383.75 = 999,689.75/x - Step 3: Cross multiply
1,734,878.51x = 2,394,383.75 × 999,689.75 - Step 4: Simplify right side
1,734,878.51x = 2,393,640,887,443.11 - Step 5: Solve for x
x = 2,393,640,887,443.11/1,734,878.51 - Step 6: Final answer
x = 1,379,716.72
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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.