Finding the Fourth Proportional to 5,484,631.37, 8,230,097.21 and 4,283,181.05
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Solution
The fourth proportional to 5,484,631.37, 8,230,097.21 and 4,283,181.05 is: 6,427,231.66
Step by Step Solution
- Step 1: Write the proportion equation
5,484,631.37 : 8,230,097.21 = 4,283,181.05 : x - Step 2: Convert to fraction form
5,484,631.37/8,230,097.21 = 4,283,181.05/x - Step 3: Cross multiply
5,484,631.37x = 8,230,097.21 × 4,283,181.05 - Step 4: Simplify right side
5,484,631.37x = 35,250,996,346,963.48 - Step 5: Solve for x
x = 35,250,996,346,963.48/5,484,631.37 - Step 6: Final answer
x = 6,427,231.66
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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.