Finding the Fourth Proportional to 5,088,868.02, 7,022,547.81 and 2,797,028.10
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Solution
The fourth proportional to 5,088,868.02, 7,022,547.81 and 2,797,028.10 is: 3,859,849.28
Step by Step Solution
- Step 1: Write the proportion equation
5,088,868.02 : 7,022,547.81 = 2,797,028.10 : x - Step 2: Convert to fraction form
5,088,868.02/7,022,547.81 = 2,797,028.10/x - Step 3: Cross multiply
5,088,868.02x = 7,022,547.81 × 2,797,028.10 - Step 4: Simplify right side
5,088,868.02x = 19,642,263,558,163.46 - Step 5: Solve for x
x = 19,642,263,558,163.46/5,088,868.02 - Step 6: Final answer
x = 3,859,849.28
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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.