Finding the Fourth Proportional to 1,703,716.70, 2,558,467.50 and 1,138,728.50
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Solution
The fourth proportional to 1,703,716.70, 2,558,467.50 and 1,138,728.50 is: 1,710,026.00
Step by Step Solution
- Step 1: Write the proportion equation
1,703,716.70 : 2,558,467.50 = 1,138,728.50 : x - Step 2: Convert to fraction form
1,703,716.70/2,558,467.50 = 1,138,728.50/x - Step 3: Cross multiply
1,703,716.70x = 2,558,467.50 × 1,138,728.50 - Step 4: Simplify right side
1,703,716.70x = 2,913,399,858,573.75 - Step 5: Solve for x
x = 2,913,399,858,573.75/1,703,716.70 - Step 6: Final answer
x = 1,710,026.00
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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.