Finding the Fourth Proportional to 1,642,603.19, 2,266,838.09 and 907,604.82
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Solution
The fourth proportional to 1,642,603.19, 2,266,838.09 and 907,604.82 is: 1,252,519.90
Step by Step Solution
- Step 1: Write the proportion equation
1,642,603.19 : 2,266,838.09 = 907,604.82 : x - Step 2: Convert to fraction form
1,642,603.19/2,266,838.09 = 907,604.82/x - Step 3: Cross multiply
1,642,603.19x = 2,266,838.09 × 907,604.82 - Step 4: Simplify right side
1,642,603.19x = 2,057,393,172,105.57 - Step 5: Solve for x
x = 2,057,393,172,105.57/1,642,603.19 - Step 6: Final answer
x = 1,252,519.90
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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.