Finding the Fourth Proportional to 1,693,472.54, 2,336,906.70 and 1,005,174.41
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Solution
The fourth proportional to 1,693,472.54, 2,336,906.70 and 1,005,174.41 is: 1,387,089.99
Step by Step Solution
- Step 1: Write the proportion equation
1,693,472.54 : 2,336,906.70 = 1,005,174.41 : x - Step 2: Convert to fraction form
1,693,472.54/2,336,906.70 = 1,005,174.41/x - Step 3: Cross multiply
1,693,472.54x = 2,336,906.70 × 1,005,174.41 - Step 4: Simplify right side
1,693,472.54x = 2,348,998,801,713.01 - Step 5: Solve for x
x = 2,348,998,801,713.01/1,693,472.54 - Step 6: Final answer
x = 1,387,089.99
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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.