Finding the Fourth Proportional to 3,457,995.96, 5,187,243.02 and 1,328,080.08
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Solution
The fourth proportional to 3,457,995.96, 5,187,243.02 and 1,328,080.08 is: 1,992,215.78
Step by Step Solution
- Step 1: Write the proportion equation
3,457,995.96 : 5,187,243.02 = 1,328,080.08 : x - Step 2: Convert to fraction form
3,457,995.96/5,187,243.02 = 1,328,080.08/x - Step 3: Cross multiply
3,457,995.96x = 5,187,243.02 × 1,328,080.08 - Step 4: Simplify right side
3,457,995.96x = 6,889,074,124,981.04 - Step 5: Solve for x
x = 6,889,074,124,981.04/3,457,995.96 - Step 6: Final answer
x = 1,992,215.78
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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.