Finding the Fourth Proportional to 1,945,413.62, 2,918,226.87 and 808,290.82
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Solution
The fourth proportional to 1,945,413.62, 2,918,226.87 and 808,290.82 is: 1,212,480.45
Step by Step Solution
- Step 1: Write the proportion equation
1,945,413.62 : 2,918,226.87 = 808,290.82 : x - Step 2: Convert to fraction form
1,945,413.62/2,918,226.87 = 808,290.82/x - Step 3: Cross multiply
1,945,413.62x = 2,918,226.87 × 808,290.82 - Step 4: Simplify right side
1,945,413.62x = 2,358,775,971,065.75 - Step 5: Solve for x
x = 2,358,775,971,065.75/1,945,413.62 - Step 6: Final answer
x = 1,212,480.45
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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.