Finding the Fourth Proportional to 2,034,744.99, 2,808,240.08 and 1,218,983.06
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Solution
The fourth proportional to 2,034,744.99, 2,808,240.08 and 1,218,983.06 is: 1,682,371.54
Step by Step Solution
- Step 1: Write the proportion equation
2,034,744.99 : 2,808,240.08 = 1,218,983.06 : x - Step 2: Convert to fraction form
2,034,744.99/2,808,240.08 = 1,218,983.06/x - Step 3: Cross multiply
2,034,744.99x = 2,808,240.08 × 1,218,983.06 - Step 4: Simplify right side
2,034,744.99x = 3,423,197,065,796.93 - Step 5: Solve for x
x = 3,423,197,065,796.93/2,034,744.99 - Step 6: Final answer
x = 1,682,371.54
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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.