Finding the Fourth Proportional to 1,631,431.08, 2,251,438.73 and 1,116,265.46
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Solution
The fourth proportional to 1,631,431.08, 2,251,438.73 and 1,116,265.46 is: 1,540,490.01
Step by Step Solution
- Step 1: Write the proportion equation
1,631,431.08 : 2,251,438.73 = 1,116,265.46 : x - Step 2: Convert to fraction form
1,631,431.08/2,251,438.73 = 1,116,265.46/x - Step 3: Cross multiply
1,631,431.08x = 2,251,438.73 × 1,116,265.46 - Step 4: Simplify right side
1,631,431.08x = 2,513,203,284,023.94 - Step 5: Solve for x
x = 2,513,203,284,023.94/1,631,431.08 - Step 6: Final answer
x = 1,540,490.01
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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.