Finding the Fourth Proportional to 4,272,979.59, 6,407,413.56 and 1,431,104.31
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Solution
The fourth proportional to 4,272,979.59, 6,407,413.56 and 1,431,104.31 is: 2,145,967.93
Step by Step Solution
- Step 1: Write the proportion equation
4,272,979.59 : 6,407,413.56 = 1,431,104.31 : x - Step 2: Convert to fraction form
4,272,979.59/6,407,413.56 = 1,431,104.31/x - Step 3: Cross multiply
4,272,979.59x = 6,407,413.56 × 1,431,104.31 - Step 4: Simplify right side
4,272,979.59x = 9,169,677,161,668.44 - Step 5: Solve for x
x = 9,169,677,161,668.44/4,272,979.59 - Step 6: Final answer
x = 2,145,967.93
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.