Finding the Fourth Proportional to 4,427,413.20, 6,109,864.32 and 2,493,492.84
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Solution
The fourth proportional to 4,427,413.20, 6,109,864.32 and 2,493,492.84 is: 3,441,039.33
Step by Step Solution
- Step 1: Write the proportion equation
4,427,413.20 : 6,109,864.32 = 2,493,492.84 : x - Step 2: Convert to fraction form
4,427,413.20/6,109,864.32 = 2,493,492.84/x - Step 3: Cross multiply
4,427,413.20x = 6,109,864.32 × 2,493,492.84 - Step 4: Simplify right side
4,427,413.20x = 15,234,902,935,291.47 - Step 5: Solve for x
x = 15,234,902,935,291.47/4,427,413.20 - Step 6: Final answer
x = 3,441,039.33
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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.