Finding the Fourth Proportional to 1,544,308.74, 2,131,139.97 and 865,243.62
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Solution
The fourth proportional to 1,544,308.74, 2,131,139.97 and 865,243.62 is: 1,194,032.78
Step by Step Solution
- Step 1: Write the proportion equation
1,544,308.74 : 2,131,139.97 = 865,243.62 : x - Step 2: Convert to fraction form
1,544,308.74/2,131,139.97 = 865,243.62/x - Step 3: Cross multiply
1,544,308.74x = 2,131,139.97 × 865,243.62 - Step 4: Simplify right side
1,544,308.74x = 1,843,955,262,369.49 - Step 5: Solve for x
x = 1,843,955,262,369.49/1,544,308.74 - Step 6: Final answer
x = 1,194,032.78
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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.