Finding the Fourth Proportional to 1,479,989.08, 2,218,114.50 and 1,233,645.40
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Solution
The fourth proportional to 1,479,989.08, 2,218,114.50 and 1,233,645.40 is: 1,848,910.09
Step by Step Solution
- Step 1: Write the proportion equation
1,479,989.08 : 2,218,114.50 = 1,233,645.40 : x - Step 2: Convert to fraction form
1,479,989.08/2,218,114.50 = 1,233,645.40/x - Step 3: Cross multiply
1,479,989.08x = 2,218,114.50 × 1,233,645.40 - Step 4: Simplify right side
1,479,989.08x = 2,736,366,749,598.30 - Step 5: Solve for x
x = 2,736,366,749,598.30/1,479,989.08 - Step 6: Final answer
x = 1,848,910.09
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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.