Finding the Fourth Proportional to 5,585,965.39, 8,378,720.47 and 1,943,529.13
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Solution
The fourth proportional to 5,585,965.39, 8,378,720.47 and 1,943,529.13 is: 2,915,214.50
Step by Step Solution
- Step 1: Write the proportion equation
5,585,965.39 : 8,378,720.47 = 1,943,529.13 : x - Step 2: Convert to fraction form
5,585,965.39/8,378,720.47 = 1,943,529.13/x - Step 3: Cross multiply
5,585,965.39x = 8,378,720.47 × 1,943,529.13 - Step 4: Simplify right side
5,585,965.39x = 16,284,287,305,572.29 - Step 5: Solve for x
x = 16,284,287,305,572.29/5,585,965.39 - Step 6: Final answer
x = 2,915,214.50
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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.