Finding the Fourth Proportional to 4,165,938.48, 5,748,723.90 and 2,330,078.70
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Solution
The fourth proportional to 4,165,938.48, 5,748,723.90 and 2,330,078.70 is: 3,215,356.92
Step by Step Solution
- Step 1: Write the proportion equation
4,165,938.48 : 5,748,723.90 = 2,330,078.70 : x - Step 2: Convert to fraction form
4,165,938.48/5,748,723.90 = 2,330,078.70/x - Step 3: Cross multiply
4,165,938.48x = 5,748,723.90 × 2,330,078.70 - Step 4: Simplify right side
4,165,938.48x = 13,394,979,111,570.93 - Step 5: Solve for x
x = 13,394,979,111,570.93/4,165,938.48 - Step 6: Final answer
x = 3,215,356.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.