Finding the Fourth Proportional to 5,152,413.90, 7,110,053.64 and 2,860,426.96
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Solution
The fourth proportional to 5,152,413.90, 7,110,053.64 and 2,860,426.96 is: 3,947,235.12
Step by Step Solution
- Step 1: Write the proportion equation
5,152,413.90 : 7,110,053.64 = 2,860,426.96 : x - Step 2: Convert to fraction form
5,152,413.90/7,110,053.64 = 2,860,426.96/x - Step 3: Cross multiply
5,152,413.90x = 7,110,053.64 × 2,860,426.96 - Step 4: Simplify right side
5,152,413.90x = 20,337,789,118,902.13 - Step 5: Solve for x
x = 20,337,789,118,902.13/5,152,413.90 - Step 6: Final answer
x = 3,947,235.12
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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.