Finding the Fourth Proportional to 1,841,438.21, 2,541,312.45 and 1,116,316.49
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Solution
The fourth proportional to 1,841,438.21, 2,541,312.45 and 1,116,316.49 is: 1,540,594.19
Step by Step Solution
- Step 1: Write the proportion equation
1,841,438.21 : 2,541,312.45 = 1,116,316.49 : x - Step 2: Convert to fraction form
1,841,438.21/2,541,312.45 = 1,116,316.49/x - Step 3: Cross multiply
1,841,438.21x = 2,541,312.45 × 1,116,316.49 - Step 4: Simplify right side
1,841,438.21x = 2,836,909,004,716.77 - Step 5: Solve for x
x = 2,836,909,004,716.77/1,841,438.21 - Step 6: Final answer
x = 1,540,594.19
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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.