Finding the Fourth Proportional to 5,757,479.87, 8,639,208.71 and 2,348,267.63
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Solution
The fourth proportional to 5,757,479.87, 8,639,208.71 and 2,348,267.63 is: 3,523,620.51
Step by Step Solution
- Step 1: Write the proportion equation
5,757,479.87 : 8,639,208.71 = 2,348,267.63 : x - Step 2: Convert to fraction form
5,757,479.87/8,639,208.71 = 2,348,267.63/x - Step 3: Cross multiply
5,757,479.87x = 8,639,208.71 × 2,348,267.63 - Step 4: Simplify right side
5,757,479.87x = 20,287,174,189,975.75 - Step 5: Solve for x
x = 20,287,174,189,975.75/5,757,479.87 - Step 6: Final answer
x = 3,523,620.51
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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.