Finding the Fourth Proportional to 4,542,972.05, 6,269,321.04 and 2,478,032.06
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Solution
The fourth proportional to 4,542,972.05, 6,269,321.04 and 2,478,032.06 is: 3,419,694.94
Step by Step Solution
- Step 1: Write the proportion equation
4,542,972.05 : 6,269,321.04 = 2,478,032.06 : x - Step 2: Convert to fraction form
4,542,972.05/6,269,321.04 = 2,478,032.06/x - Step 3: Cross multiply
4,542,972.05x = 6,269,321.04 × 2,478,032.06 - Step 4: Simplify right side
4,542,972.05x = 15,535,578,500,205.94 - Step 5: Solve for x
x = 15,535,578,500,205.94/4,542,972.05 - Step 6: Final answer
x = 3,419,694.94
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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.