Finding the Fourth Proportional to 1,678,518.97, 2,316,356.53 and 914,572.53
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Solution
The fourth proportional to 1,678,518.97, 2,316,356.53 and 914,572.53 is: 1,262,110.28
Step by Step Solution
- Step 1: Write the proportion equation
1,678,518.97 : 2,316,356.53 = 914,572.53 : x - Step 2: Convert to fraction form
1,678,518.97/2,316,356.53 = 914,572.53/x - Step 3: Cross multiply
1,678,518.97x = 2,316,356.53 × 914,572.53 - Step 4: Simplify right side
1,678,518.97x = 2,118,476,049,737.69 - Step 5: Solve for x
x = 2,118,476,049,737.69/1,678,518.97 - Step 6: Final answer
x = 1,262,110.28
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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.