Finding the Fourth Proportional to 4,039,753.16, 5,576,879.54 and 2,512,352.36
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Solution
The fourth proportional to 4,039,753.16, 5,576,879.54 and 2,512,352.36 is: 3,468,302.62
Step by Step Solution
- Step 1: Write the proportion equation
4,039,753.16 : 5,576,879.54 = 2,512,352.36 : x - Step 2: Convert to fraction form
4,039,753.16/5,576,879.54 = 2,512,352.36/x - Step 3: Cross multiply
4,039,753.16x = 5,576,879.54 × 2,512,352.36 - Step 4: Simplify right side
4,039,753.16x = 14,011,086,473,754.71 - Step 5: Solve for x
x = 14,011,086,473,754.71/4,039,753.16 - Step 6: Final answer
x = 3,468,302.62
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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.