Finding the Fourth Proportional to 2,490,413.57, 3,735,621.36 and 1,922,623.68
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Solution
The fourth proportional to 2,490,413.57, 3,735,621.36 and 1,922,623.68 is: 2,883,936.30
Step by Step Solution
- Step 1: Write the proportion equation
2,490,413.57 : 3,735,621.36 = 1,922,623.68 : x - Step 2: Convert to fraction form
2,490,413.57/3,735,621.36 = 1,922,623.68/x - Step 3: Cross multiply
2,490,413.57x = 3,735,621.36 × 1,922,623.68 - Step 4: Simplify right side
2,490,413.57x = 7,182,194,086,249.81 - Step 5: Solve for x
x = 7,182,194,086,249.81/2,490,413.57 - Step 6: Final answer
x = 2,883,936.30
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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.