Finding the Fourth Proportional to 1,631,391.36, 2,251,680.18 and 906,488.28
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Solution
The fourth proportional to 1,631,391.36, 2,251,680.18 and 906,488.28 is: 1,251,153.92
Step by Step Solution
- Step 1: Write the proportion equation
1,631,391.36 : 2,251,680.18 = 906,488.28 : x - Step 2: Convert to fraction form
1,631,391.36/2,251,680.18 = 906,488.28/x - Step 3: Cross multiply
1,631,391.36x = 2,251,680.18 × 906,488.28 - Step 4: Simplify right side
1,631,391.36x = 2,041,121,693,478.29 - Step 5: Solve for x
x = 2,041,121,693,478.29/1,631,391.36 - Step 6: Final answer
x = 1,251,153.92
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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.