Finding the Fourth Proportional to 1,859,877.08, 2,790,879.96 and 722,491.88
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Solution
The fourth proportional to 1,859,877.08, 2,790,879.96 and 722,491.88 is: 1,084,151.28
Step by Step Solution
- Step 1: Write the proportion equation
1,859,877.08 : 2,790,879.96 = 722,491.88 : x - Step 2: Convert to fraction form
1,859,877.08/2,790,879.96 = 722,491.88/x - Step 3: Cross multiply
1,859,877.08x = 2,790,879.96 × 722,491.88 - Step 4: Simplify right side
1,859,877.08x = 2,016,388,109,154.73 - Step 5: Solve for x
x = 2,016,388,109,154.73/1,859,877.08 - Step 6: Final answer
x = 1,084,151.28
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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.