Finding the Fourth Proportional to 1,470,896.88, 2,206,472.40 and 405,939.12
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Solution
The fourth proportional to 1,470,896.88, 2,206,472.40 and 405,939.12 is: 608,943.75
Step by Step Solution
- Step 1: Write the proportion equation
1,470,896.88 : 2,206,472.40 = 405,939.12 : x - Step 2: Convert to fraction form
1,470,896.88/2,206,472.40 = 405,939.12/x - Step 3: Cross multiply
1,470,896.88x = 2,206,472.40 × 405,939.12 - Step 4: Simplify right side
1,470,896.88x = 895,693,464,360.29 - Step 5: Solve for x
x = 895,693,464,360.29/1,470,896.88 - Step 6: Final answer
x = 608,943.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.