Finding the Fourth Proportional to 2,170,757.16, 2,995,628.94 and 1,190,718.72
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Solution
The fourth proportional to 2,170,757.16, 2,995,628.94 and 1,190,718.72 is: 1,643,183.09
Step by Step Solution
- Step 1: Write the proportion equation
2,170,757.16 : 2,995,628.94 = 1,190,718.72 : x - Step 2: Convert to fraction form
2,170,757.16/2,995,628.94 = 1,190,718.72/x - Step 3: Cross multiply
2,170,757.16x = 2,995,628.94 × 1,190,718.72 - Step 4: Simplify right side
2,170,757.16x = 3,566,951,457,031.76 - Step 5: Solve for x
x = 3,566,951,457,031.76/2,170,757.16 - Step 6: Final answer
x = 1,643,183.09
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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.