Finding the Fourth Proportional to 4,493,442.30, 6,740,163.45 and 1,298,672.70
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Solution
The fourth proportional to 4,493,442.30, 6,740,163.45 and 1,298,672.70 is: 1,948,009.05
Step by Step Solution
- Step 1: Write the proportion equation
4,493,442.30 : 6,740,163.45 = 1,298,672.70 : x - Step 2: Convert to fraction form
4,493,442.30/6,740,163.45 = 1,298,672.70/x - Step 3: Cross multiply
4,493,442.30x = 6,740,163.45 × 1,298,672.70 - Step 4: Simplify right side
4,493,442.30x = 8,753,266,266,052.82 - Step 5: Solve for x
x = 8,753,266,266,052.82/4,493,442.30 - Step 6: Final answer
x = 1,948,009.05
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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.