Finding the Fourth Proportional to 1,958,445.74, 2,702,511.44 and 1,087,330.84
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Solution
The fourth proportional to 1,958,445.74, 2,702,511.44 and 1,087,330.84 is: 1,500,436.78
Step by Step Solution
- Step 1: Write the proportion equation
1,958,445.74 : 2,702,511.44 = 1,087,330.84 : x - Step 2: Convert to fraction form
1,958,445.74/2,702,511.44 = 1,087,330.84/x - Step 3: Cross multiply
1,958,445.74x = 2,702,511.44 × 1,087,330.84 - Step 4: Simplify right side
1,958,445.74x = 2,938,524,026,049.37 - Step 5: Solve for x
x = 2,938,524,026,049.37/1,958,445.74 - Step 6: Final answer
x = 1,500,436.78
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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.