Finding the Fourth Proportional to 2,655,929.75, 3,665,183.06 and 1,448,705.75
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Solution
The fourth proportional to 2,655,929.75, 3,665,183.06 and 1,448,705.75 is: 1,999,213.94
Step by Step Solution
- Step 1: Write the proportion equation
2,655,929.75 : 3,665,183.06 = 1,448,705.75 : x - Step 2: Convert to fraction form
2,655,929.75/3,665,183.06 = 1,448,705.75/x - Step 3: Cross multiply
2,655,929.75x = 3,665,183.06 × 1,448,705.75 - Step 4: Simplify right side
2,655,929.75x = 5,309,771,766,581.07 - Step 5: Solve for x
x = 5,309,771,766,581.07/2,655,929.75 - Step 6: Final answer
x = 1,999,213.94
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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.