Finding the Fourth Proportional to 4,120,934.79, 6,181,305.70 and 1,088,512.28
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Solution
The fourth proportional to 4,120,934.79, 6,181,305.70 and 1,088,512.28 is: 1,632,742.93
Step by Step Solution
- Step 1: Write the proportion equation
4,120,934.79 : 6,181,305.70 = 1,088,512.28 : x - Step 2: Convert to fraction form
4,120,934.79/6,181,305.70 = 1,088,512.28/x - Step 3: Cross multiply
4,120,934.79x = 6,181,305.70 × 1,088,512.28 - Step 4: Simplify right side
4,120,934.79x = 6,728,427,160,884.00 - Step 5: Solve for x
x = 6,728,427,160,884.00/4,120,934.79 - Step 6: Final answer
x = 1,632,742.93
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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.