Finding the Fourth Proportional to 5,087,732.99, 7,021,098.63 and 2,764,643.81
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Solution
The fourth proportional to 5,087,732.99, 7,021,098.63 and 2,764,643.81 is: 3,815,223.18
Step by Step Solution
- Step 1: Write the proportion equation
5,087,732.99 : 7,021,098.63 = 2,764,643.81 : x - Step 2: Convert to fraction form
5,087,732.99/7,021,098.63 = 2,764,643.81/x - Step 3: Cross multiply
5,087,732.99x = 7,021,098.63 × 2,764,643.81 - Step 4: Simplify right side
5,087,732.99x = 19,410,836,831,723.49 - Step 5: Solve for x
x = 19,410,836,831,723.49/5,087,732.99 - Step 6: Final answer
x = 3,815,223.18
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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.