Finding the Fourth Proportional to 1,350,484.21, 1,863,461.14 and 777,413.62
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Solution
The fourth proportional to 1,350,484.21, 1,863,461.14 and 777,413.62 is: 1,072,711.59
Step by Step Solution
- Step 1: Write the proportion equation
1,350,484.21 : 1,863,461.14 = 777,413.62 : x - Step 2: Convert to fraction form
1,350,484.21/1,863,461.14 = 777,413.62/x - Step 3: Cross multiply
1,350,484.21x = 1,863,461.14 × 777,413.62 - Step 4: Simplify right side
1,350,484.21x = 1,448,680,070,576.73 - Step 5: Solve for x
x = 1,448,680,070,576.73/1,350,484.21 - Step 6: Final answer
x = 1,072,711.59
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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.