Finding the Fourth Proportional to 1,341,122.32, 1,851,513.96 and 889,025.68
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Solution
The fourth proportional to 1,341,122.32, 1,851,513.96 and 889,025.68 is: 1,227,362.66
Step by Step Solution
- Step 1: Write the proportion equation
1,341,122.32 : 1,851,513.96 = 889,025.68 : x - Step 2: Convert to fraction form
1,341,122.32/1,851,513.96 = 889,025.68/x - Step 3: Cross multiply
1,341,122.32x = 1,851,513.96 × 889,025.68 - Step 4: Simplify right side
1,341,122.32x = 1,646,043,457,318.49 - Step 5: Solve for x
x = 1,646,043,457,318.49/1,341,122.32 - Step 6: Final answer
x = 1,227,362.66
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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.