Finding the Fourth Proportional to 2,379,963.26, 3,284,406.37 and 1,292,280.68
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Solution
The fourth proportional to 2,379,963.26, 3,284,406.37 and 1,292,280.68 is: 1,783,378.33
Step by Step Solution
- Step 1: Write the proportion equation
2,379,963.26 : 3,284,406.37 = 1,292,280.68 : x - Step 2: Convert to fraction form
2,379,963.26/3,284,406.37 = 1,292,280.68/x - Step 3: Cross multiply
2,379,963.26x = 3,284,406.37 × 1,292,280.68 - Step 4: Simplify right side
2,379,963.26x = 4,244,374,897,219.93 - Step 5: Solve for x
x = 4,244,374,897,219.93/2,379,963.26 - Step 6: Final answer
x = 1,783,378.33
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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.