Finding the Fourth Proportional to 1,638,281.97, 2,260,790.60 and 950,076.81
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Solution
The fourth proportional to 1,638,281.97, 2,260,790.60 and 950,076.81 is: 1,311,083.66
Step by Step Solution
- Step 1: Write the proportion equation
1,638,281.97 : 2,260,790.60 = 950,076.81 : x - Step 2: Convert to fraction form
1,638,281.97/2,260,790.60 = 950,076.81/x - Step 3: Cross multiply
1,638,281.97x = 2,260,790.60 × 950,076.81 - Step 4: Simplify right side
1,638,281.97x = 2,147,924,716,575.60 - Step 5: Solve for x
x = 2,147,924,716,575.60/1,638,281.97 - Step 6: Final answer
x = 1,311,083.66
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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.