Finding the Fourth Proportional to 4,216,153.21, 5,818,293.32 and 2,282,413.75
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Solution
The fourth proportional to 4,216,153.21, 5,818,293.32 and 2,282,413.75 is: 3,149,731.99
Step by Step Solution
- Step 1: Write the proportion equation
4,216,153.21 : 5,818,293.32 = 2,282,413.75 : x - Step 2: Convert to fraction form
4,216,153.21/5,818,293.32 = 2,282,413.75/x - Step 3: Cross multiply
4,216,153.21x = 5,818,293.32 × 2,282,413.75 - Step 4: Simplify right side
4,216,153.21x = 13,279,752,649,143.35 - Step 5: Solve for x
x = 13,279,752,649,143.35/4,216,153.21 - Step 6: Final answer
x = 3,149,731.99
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1.5x scale
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.