Finding the Fourth Proportional to 1,540,413.18, 2,125,606.56 and 851,975.64
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Solution
The fourth proportional to 1,540,413.18, 2,125,606.56 and 851,975.64 is: 1,175,635.88
Step by Step Solution
- Step 1: Write the proportion equation
1,540,413.18 : 2,125,606.56 = 851,975.64 : x - Step 2: Convert to fraction form
1,540,413.18/2,125,606.56 = 851,975.64/x - Step 3: Cross multiply
1,540,413.18x = 2,125,606.56 × 851,975.64 - Step 4: Simplify right side
1,540,413.18x = 1,810,965,009,344.20 - Step 5: Solve for x
x = 1,810,965,009,344.20/1,540,413.18 - Step 6: Final answer
x = 1,175,635.88
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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.