Finding the Fourth Proportional to 1,472,382.09, 2,204,634.24 and 864,669.47
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Solution
The fourth proportional to 1,472,382.09, 2,204,634.24 and 864,669.47 is: 1,294,691.05
Step by Step Solution
- Step 1: Write the proportion equation
1,472,382.09 : 2,204,634.24 = 864,669.47 : x - Step 2: Convert to fraction form
1,472,382.09/2,204,634.24 = 864,669.47/x - Step 3: Cross multiply
1,472,382.09x = 2,204,634.24 × 864,669.47 - Step 4: Simplify right side
1,472,382.09x = 1,906,279,908,821.48 - Step 5: Solve for x
x = 1,906,279,908,821.48/1,472,382.09 - Step 6: Final answer
x = 1,294,691.05
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.