Finding the Fourth Proportional to 1,992,470.01, 2,749,119.48 and 1,165,414.92
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Solution
The fourth proportional to 1,992,470.01, 2,749,119.48 and 1,165,414.92 is: 1,607,986.49
Step by Step Solution
- Step 1: Write the proportion equation
1,992,470.01 : 2,749,119.48 = 1,165,414.92 : x - Step 2: Convert to fraction form
1,992,470.01/2,749,119.48 = 1,165,414.92/x - Step 3: Cross multiply
1,992,470.01x = 2,749,119.48 × 1,165,414.92 - Step 4: Simplify right side
1,992,470.01x = 3,203,864,858,854.64 - Step 5: Solve for x
x = 3,203,864,858,854.64/1,992,470.01 - Step 6: Final answer
x = 1,607,986.49
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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.