Finding the Fourth Proportional to 2,166,283.35, 2,989,564.46 and 1,199,413.62
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Solution
The fourth proportional to 2,166,283.35, 2,989,564.46 and 1,199,413.62 is: 1,655,242.53
Step by Step Solution
- Step 1: Write the proportion equation
2,166,283.35 : 2,989,564.46 = 1,199,413.62 : x - Step 2: Convert to fraction form
2,166,283.35/2,989,564.46 = 1,199,413.62/x - Step 3: Cross multiply
2,166,283.35x = 2,989,564.46 × 1,199,413.62 - Step 4: Simplify right side
2,166,283.35x = 3,585,724,325,194.88 - Step 5: Solve for x
x = 3,585,724,325,194.88/2,166,283.35 - Step 6: Final answer
x = 1,655,242.53
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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.