Finding the Fourth Proportional to 1,703,594.50, 2,555,823.75 and 638,639.62
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Solution
The fourth proportional to 1,703,594.50, 2,555,823.75 and 638,639.62 is: 958,121.38
Step by Step Solution
- Step 1: Write the proportion equation
1,703,594.50 : 2,555,823.75 = 638,639.62 : x - Step 2: Convert to fraction form
1,703,594.50/2,555,823.75 = 638,639.62/x - Step 3: Cross multiply
1,703,594.50x = 2,555,823.75 × 638,639.62 - Step 4: Simplify right side
1,703,594.50x = 1,632,250,308,486.98 - Step 5: Solve for x
x = 1,632,250,308,486.98/1,703,594.50 - Step 6: Final answer
x = 958,121.38
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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.