Finding the Fourth Proportional to 1,678,476.96, 2,316,269.04 and 914,536.80
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Solution
The fourth proportional to 1,678,476.96, 2,316,269.04 and 914,536.80 is: 1,262,044.89
Step by Step Solution
- Step 1: Write the proportion equation
1,678,476.96 : 2,316,269.04 = 914,536.80 : x - Step 2: Convert to fraction form
1,678,476.96/2,316,269.04 = 914,536.80/x - Step 3: Cross multiply
1,678,476.96x = 2,316,269.04 × 914,536.80 - Step 4: Simplify right side
1,678,476.96x = 2,118,313,275,780.67 - Step 5: Solve for x
x = 2,118,313,275,780.67/1,678,476.96 - Step 6: Final answer
x = 1,262,044.89
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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.