Finding the Fourth Proportional to 5,452,884.65, 8,189,955.61 and 4,442,753.09
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Solution
The fourth proportional to 5,452,884.65, 8,189,955.61 and 4,442,753.09 is: 6,672,789.34
Step by Step Solution
- Step 1: Write the proportion equation
5,452,884.65 : 8,189,955.61 = 4,442,753.09 : x - Step 2: Convert to fraction form
5,452,884.65/8,189,955.61 = 4,442,753.09/x - Step 3: Cross multiply
5,452,884.65x = 8,189,955.61 × 4,442,753.09 - Step 4: Simplify right side
5,452,884.65x = 36,385,950,602,658.34 - Step 5: Solve for x
x = 36,385,950,602,658.34/5,452,884.65 - Step 6: Final answer
x = 6,672,789.34
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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.