Finding the Fourth Proportional to 2,553,765.81, 3,524,106.11 and 1,392,188.01
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Solution
The fourth proportional to 2,553,765.81, 3,524,106.11 and 1,392,188.01 is: 1,921,170.00
Step by Step Solution
- Step 1: Write the proportion equation
2,553,765.81 : 3,524,106.11 = 1,392,188.01 : x - Step 2: Convert to fraction form
2,553,765.81/3,524,106.11 = 1,392,188.01/x - Step 3: Cross multiply
2,553,765.81x = 3,524,106.11 × 1,392,188.01 - Step 4: Simplify right side
2,553,765.81x = 4,906,218,272,309.74 - Step 5: Solve for x
x = 4,906,218,272,309.74/2,553,765.81 - Step 6: Final answer
x = 1,921,170.00
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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.