Finding the Fourth Proportional to 3,999,660.96, 5,519,528.56 and 2,257,697.02
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Solution
The fourth proportional to 3,999,660.96, 5,519,528.56 and 2,257,697.02 is: 3,115,619.88
Step by Step Solution
- Step 1: Write the proportion equation
3,999,660.96 : 5,519,528.56 = 2,257,697.02 : x - Step 2: Convert to fraction form
3,999,660.96/5,519,528.56 = 2,257,697.02/x - Step 3: Cross multiply
3,999,660.96x = 5,519,528.56 × 2,257,697.02 - Step 4: Simplify right side
3,999,660.96x = 12,461,423,181,716.89 - Step 5: Solve for x
x = 12,461,423,181,716.89/3,999,660.96 - Step 6: Final answer
x = 3,115,619.88
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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.