Finding the Fourth Proportional to 1,813,928.63, 2,503,239.27 and 998,149.87
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Solution
The fourth proportional to 1,813,928.63, 2,503,239.27 and 998,149.87 is: 1,377,456.59
Step by Step Solution
- Step 1: Write the proportion equation
1,813,928.63 : 2,503,239.27 = 998,149.87 : x - Step 2: Convert to fraction form
1,813,928.63/2,503,239.27 = 998,149.87/x - Step 3: Cross multiply
1,813,928.63x = 2,503,239.27 × 998,149.87 - Step 4: Simplify right side
1,813,928.63x = 2,498,607,939,413.20 - Step 5: Solve for x
x = 2,498,607,939,413.20/1,813,928.63 - Step 6: Final answer
x = 1,377,456.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.