Finding the Fourth Proportional to 3,739,649.36, 5,160,406.14 and 2,108,457.79
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Solution
The fourth proportional to 3,739,649.36, 5,160,406.14 and 2,108,457.79 is: 2,909,496.98
Step by Step Solution
- Step 1: Write the proportion equation
3,739,649.36 : 5,160,406.14 = 2,108,457.79 : x - Step 2: Convert to fraction form
3,739,649.36/5,160,406.14 = 2,108,457.79/x - Step 3: Cross multiply
3,739,649.36x = 5,160,406.14 × 2,108,457.79 - Step 4: Simplify right side
3,739,649.36x = 10,880,498,512,545.81 - Step 5: Solve for x
x = 10,880,498,512,545.81/3,739,649.36 - Step 6: Final answer
x = 2,909,496.98
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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.