Finding the Fourth Proportional to 5,338,277.98, 8,007,413.24 and 2,143,402.68
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Solution
The fourth proportional to 5,338,277.98, 8,007,413.24 and 2,143,402.68 is: 3,215,102.52
Step by Step Solution
- Step 1: Write the proportion equation
5,338,277.98 : 8,007,413.24 = 2,143,402.68 : x - Step 2: Convert to fraction form
5,338,277.98/8,007,413.24 = 2,143,402.68/x - Step 3: Cross multiply
5,338,277.98x = 8,007,413.24 × 2,143,402.68 - Step 4: Simplify right side
5,338,277.98x = 17,163,110,998,483.48 - Step 5: Solve for x
x = 17,163,110,998,483.48/5,338,277.98 - Step 6: Final answer
x = 3,215,102.52
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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.