Finding the Fourth Proportional to 4,440,757.64, 6,661,378.61 and 1,407,904.10
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Solution
The fourth proportional to 4,440,757.64, 6,661,378.61 and 1,407,904.10 is: 2,111,932.92
Step by Step Solution
- Step 1: Write the proportion equation
4,440,757.64 : 6,661,378.61 = 1,407,904.10 : x - Step 2: Convert to fraction form
4,440,757.64/6,661,378.61 = 1,407,904.10/x - Step 3: Cross multiply
4,440,757.64x = 6,661,378.61 × 1,407,904.10 - Step 4: Simplify right side
4,440,757.64x = 9,378,582,226,884.17 - Step 5: Solve for x
x = 9,378,582,226,884.17/4,440,757.64 - Step 6: Final answer
x = 2,111,932.92
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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.