Finding the Fourth Proportional to 3,678,430.29, 5,517,581.04 and 1,655,242.26
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Solution
The fourth proportional to 3,678,430.29, 5,517,581.04 and 1,655,242.26 is: 2,482,834.41
Step by Step Solution
- Step 1: Write the proportion equation
3,678,430.29 : 5,517,581.04 = 1,655,242.26 : x - Step 2: Convert to fraction form
3,678,430.29/5,517,581.04 = 1,655,242.26/x - Step 3: Cross multiply
3,678,430.29x = 5,517,581.04 × 1,655,242.26 - Step 4: Simplify right side
3,678,430.29x = 9,132,933,310,382.75 - Step 5: Solve for x
x = 9,132,933,310,382.75/3,678,430.29 - Step 6: Final answer
x = 2,482,834.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.