Finding the Fourth Proportional to 5,647,217.94, 8,471,386.42 and 1,808,074.31
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Solution
The fourth proportional to 5,647,217.94, 8,471,386.42 and 1,808,074.31 is: 2,712,290.60
Step by Step Solution
- Step 1: Write the proportion equation
5,647,217.94 : 8,471,386.42 = 1,808,074.31 : x - Step 2: Convert to fraction form
5,647,217.94/8,471,386.42 = 1,808,074.31/x - Step 3: Cross multiply
5,647,217.94x = 8,471,386.42 × 1,808,074.31 - Step 4: Simplify right side
5,647,217.94x = 15,316,896,109,207.75 - Step 5: Solve for x
x = 15,316,896,109,207.75/5,647,217.94 - Step 6: Final answer
x = 2,712,290.60
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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.