Finding the Fourth Proportional to 3,036,878.23, 4,190,727.49 and 1,678,663.75
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Solution
The fourth proportional to 3,036,878.23, 4,190,727.49 and 1,678,663.75 is: 2,316,465.06
Step by Step Solution
- Step 1: Write the proportion equation
3,036,878.23 : 4,190,727.49 = 1,678,663.75 : x - Step 2: Convert to fraction form
3,036,878.23/4,190,727.49 = 1,678,663.75/x - Step 3: Cross multiply
3,036,878.23x = 4,190,727.49 × 1,678,663.75 - Step 4: Simplify right side
3,036,878.23x = 7,034,822,323,591.49 - Step 5: Solve for x
x = 7,034,822,323,591.49/3,036,878.23 - Step 6: Final answer
x = 2,316,465.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.