Finding the Fourth Proportional to 1,755,486.90, 2,633,230.35 and 1,618,629.30
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Solution
The fourth proportional to 1,755,486.90, 2,633,230.35 and 1,618,629.30 is: 2,427,943.95
Step by Step Solution
- Step 1: Write the proportion equation
1,755,486.90 : 2,633,230.35 = 1,618,629.30 : x - Step 2: Convert to fraction form
1,755,486.90/2,633,230.35 = 1,618,629.30/x - Step 3: Cross multiply
1,755,486.90x = 2,633,230.35 × 1,618,629.30 - Step 4: Simplify right side
1,755,486.90x = 4,262,223,798,159.26 - Step 5: Solve for x
x = 4,262,223,798,159.26/1,755,486.90 - Step 6: Final answer
x = 2,427,943.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.