Finding the Fourth Proportional to 1,631,382.18, 2,251,244.80 and 906,275.54
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Solution
The fourth proportional to 1,631,382.18, 2,251,244.80 and 906,275.54 is: 1,250,625.46
Step by Step Solution
- Step 1: Write the proportion equation
1,631,382.18 : 2,251,244.80 = 906,275.54 : x - Step 2: Convert to fraction form
1,631,382.18/2,251,244.80 = 906,275.54/x - Step 3: Cross multiply
1,631,382.18x = 2,251,244.80 × 906,275.54 - Step 4: Simplify right side
1,631,382.18x = 2,040,248,096,792.19 - Step 5: Solve for x
x = 2,040,248,096,792.19/1,631,382.18 - Step 6: Final answer
x = 1,250,625.46
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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.