Finding the Fourth Proportional to 1,788,211.86, 2,467,797.26 and 1,024,413.05
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Solution
The fourth proportional to 1,788,211.86, 2,467,797.26 and 1,024,413.05 is: 1,413,727.18
Step by Step Solution
- Step 1: Write the proportion equation
1,788,211.86 : 2,467,797.26 = 1,024,413.05 : x - Step 2: Convert to fraction form
1,788,211.86/2,467,797.26 = 1,024,413.05/x - Step 3: Cross multiply
1,788,211.86x = 2,467,797.26 × 1,024,413.05 - Step 4: Simplify right side
1,788,211.86x = 2,528,043,717,898.24 - Step 5: Solve for x
x = 2,528,043,717,898.24/1,788,211.86 - Step 6: Final answer
x = 1,413,727.18
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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.