Finding the Fourth Proportional to 1,678,334.49, 2,316,101.84 and 914,388.05
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Solution
The fourth proportional to 1,678,334.49, 2,316,101.84 and 914,388.05 is: 1,261,855.63
Step by Step Solution
- Step 1: Write the proportion equation
1,678,334.49 : 2,316,101.84 = 914,388.05 : x - Step 2: Convert to fraction form
1,678,334.49/2,316,101.84 = 914,388.05/x - Step 3: Cross multiply
1,678,334.49x = 2,316,101.84 × 914,388.05 - Step 4: Simplify right side
1,678,334.49x = 2,117,815,828,926.56 - Step 5: Solve for x
x = 2,117,815,828,926.56/1,678,334.49 - Step 6: Final answer
x = 1,261,855.63
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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.