Finding the Fourth Proportional to 2,272,356.84, 3,136,988.79 and 1,413,193.89
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Solution
The fourth proportional to 2,272,356.84, 3,136,988.79 and 1,413,193.89 is: 1,950,914.27
Step by Step Solution
- Step 1: Write the proportion equation
2,272,356.84 : 3,136,988.79 = 1,413,193.89 : x - Step 2: Convert to fraction form
2,272,356.84/3,136,988.79 = 1,413,193.89/x - Step 3: Cross multiply
2,272,356.84x = 3,136,988.79 × 1,413,193.89 - Step 4: Simplify right side
2,272,356.84x = 4,433,173,391,026.49 - Step 5: Solve for x
x = 4,433,173,391,026.49/2,272,356.84 - Step 6: Final answer
x = 1,950,914.27
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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.