Finding the Fourth Proportional to 2,292,526.40, 3,163,715.10 and 1,260,146.92
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Solution
The fourth proportional to 2,292,526.40, 3,163,715.10 and 1,260,146.92 is: 1,739,018.51
Step by Step Solution
- Step 1: Write the proportion equation
2,292,526.40 : 3,163,715.10 = 1,260,146.92 : x - Step 2: Convert to fraction form
2,292,526.40/3,163,715.10 = 1,260,146.92/x - Step 3: Cross multiply
2,292,526.40x = 3,163,715.10 × 1,260,146.92 - Step 4: Simplify right side
2,292,526.40x = 3,986,745,839,022.49 - Step 5: Solve for x
x = 3,986,745,839,022.49/2,292,526.40 - Step 6: Final answer
x = 1,739,018.51
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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.