Finding the Fourth Proportional to 1,964,853.15, 2,711,493.14 and 1,105,413.99
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Solution
The fourth proportional to 1,964,853.15, 2,711,493.14 and 1,105,413.99 is: 1,525,468.94
Step by Step Solution
- Step 1: Write the proportion equation
1,964,853.15 : 2,711,493.14 = 1,105,413.99 : x - Step 2: Convert to fraction form
1,964,853.15/2,711,493.14 = 1,105,413.99/x - Step 3: Cross multiply
1,964,853.15x = 2,711,493.14 × 1,105,413.99 - Step 4: Simplify right side
1,964,853.15x = 2,997,322,445,217.96 - Step 5: Solve for x
x = 2,997,322,445,217.96/1,964,853.15 - Step 6: Final answer
x = 1,525,468.94
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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.