Finding the Fourth Proportional to 3,723,606.75, 5,138,645.37 and 2,069,909.13
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Solution
The fourth proportional to 3,723,606.75, 5,138,645.37 and 2,069,909.13 is: 2,856,512.43
Step by Step Solution
- Step 1: Write the proportion equation
3,723,606.75 : 5,138,645.37 = 2,069,909.13 : x - Step 2: Convert to fraction form
3,723,606.75/5,138,645.37 = 2,069,909.13/x - Step 3: Cross multiply
3,723,606.75x = 5,138,645.37 × 2,069,909.13 - Step 4: Simplify right side
3,723,606.75x = 10,636,528,967,195.23 - Step 5: Solve for x
x = 10,636,528,967,195.23/3,723,606.75 - Step 6: Final answer
x = 2,856,512.43
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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.