Finding the Fourth Proportional to 5,746,457.09, 7,930,468.14 and 3,168,133.94
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Solution
The fourth proportional to 5,746,457.09, 7,930,468.14 and 3,168,133.94 is: 4,372,221.85
Step by Step Solution
- Step 1: Write the proportion equation
5,746,457.09 : 7,930,468.14 = 3,168,133.94 : x - Step 2: Convert to fraction form
5,746,457.09/7,930,468.14 = 3,168,133.94/x - Step 3: Cross multiply
5,746,457.09x = 7,930,468.14 × 3,168,133.94 - Step 4: Simplify right side
5,746,457.09x = 25,124,785,274,422.67 - Step 5: Solve for x
x = 25,124,785,274,422.67/5,746,457.09 - Step 6: Final answer
x = 4,372,221.85
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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.