Finding the Fourth Proportional to 4,819,616.56, 7,229,129.05 and 1,979,655.04
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Solution
The fourth proportional to 4,819,616.56, 7,229,129.05 and 1,979,655.04 is: 2,969,361.06
Step by Step Solution
- Step 1: Write the proportion equation
4,819,616.56 : 7,229,129.05 = 1,979,655.04 : x - Step 2: Convert to fraction form
4,819,616.56/7,229,129.05 = 1,979,655.04/x - Step 3: Cross multiply
4,819,616.56x = 7,229,129.05 × 1,979,655.04 - Step 4: Simplify right side
4,819,616.56x = 14,311,181,758,642.91 - Step 5: Solve for x
x = 14,311,181,758,642.91/4,819,616.56 - Step 6: Final answer
x = 2,969,361.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.