Finding the Fourth Proportional to 1,277,227.41, 1,915,848.94 and 378,677.67
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Solution
The fourth proportional to 1,277,227.41, 1,915,848.94 and 378,677.67 is: 568,018.82
Step by Step Solution
- Step 1: Write the proportion equation
1,277,227.41 : 1,915,848.94 = 378,677.67 : x - Step 2: Convert to fraction form
1,277,227.41/1,915,848.94 = 378,677.67/x - Step 3: Cross multiply
1,277,227.41x = 1,915,848.94 × 378,677.67 - Step 4: Simplify right side
1,277,227.41x = 725,489,212,671.17 - Step 5: Solve for x
x = 725,489,212,671.17/1,277,227.41 - Step 6: Final answer
x = 568,018.82
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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.