Finding the Fourth Proportional to 4,842,413.74, 6,681,949.50 and 2,777,321.98
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Solution
The fourth proportional to 4,842,413.74, 6,681,949.50 and 2,777,321.98 is: 3,832,370.84
Step by Step Solution
- Step 1: Write the proportion equation
4,842,413.74 : 6,681,949.50 = 2,777,321.98 : x - Step 2: Convert to fraction form
4,842,413.74/6,681,949.50 = 2,777,321.98/x - Step 3: Cross multiply
4,842,413.74x = 6,681,949.50 × 2,777,321.98 - Step 4: Simplify right side
4,842,413.74x = 18,557,925,215,600.01 - Step 5: Solve for x
x = 18,557,925,215,600.01/4,842,413.74 - Step 6: Final answer
x = 3,832,370.84
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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.