Finding the Fourth Proportional to 5,091,841.48, 7,637,191.98 and 1,305,413.32
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Solution
The fourth proportional to 5,091,841.48, 7,637,191.98 and 1,305,413.32 is: 1,957,973.79
Step by Step Solution
- Step 1: Write the proportion equation
5,091,841.48 : 7,637,191.98 = 1,305,413.32 : x - Step 2: Convert to fraction form
5,091,841.48/7,637,191.98 = 1,305,413.32/x - Step 3: Cross multiply
5,091,841.48x = 7,637,191.98 × 1,305,413.32 - Step 4: Simplify right side
5,091,841.48x = 9,969,692,138,089.17 - Step 5: Solve for x
x = 9,969,692,138,089.17/5,091,841.48 - Step 6: Final answer
x = 1,957,973.79
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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.