Finding the Fourth Proportional to 2,301,378.84, 3,176,277.09 and 1,384,534.68
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Solution
The fourth proportional to 2,301,378.84, 3,176,277.09 and 1,384,534.68 is: 1,910,883.04
Step by Step Solution
- Step 1: Write the proportion equation
2,301,378.84 : 3,176,277.09 = 1,384,534.68 : x - Step 2: Convert to fraction form
2,301,378.84/3,176,277.09 = 1,384,534.68/x - Step 3: Cross multiply
2,301,378.84x = 3,176,277.09 × 1,384,534.68 - Step 4: Simplify right side
2,301,378.84x = 4,397,665,784,394.48 - Step 5: Solve for x
x = 4,397,665,784,394.48/2,301,378.84 - Step 6: Final answer
x = 1,910,883.04
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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.