Finding the Fourth Proportional to 3,448,905.99, 5,173,187.01 and 1,289,772.36
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Solution
The fourth proportional to 3,448,905.99, 5,173,187.01 and 1,289,772.36 is: 1,934,594.23
Step by Step Solution
- Step 1: Write the proportion equation
3,448,905.99 : 5,173,187.01 = 1,289,772.36 : x - Step 2: Convert to fraction form
3,448,905.99/5,173,187.01 = 1,289,772.36/x - Step 3: Cross multiply
3,448,905.99x = 5,173,187.01 × 1,289,772.36 - Step 4: Simplify right side
3,448,905.99x = 6,672,233,612,160.18 - Step 5: Solve for x
x = 6,672,233,612,160.18/3,448,905.99 - Step 6: Final answer
x = 1,934,594.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.