Finding the Fourth Proportional to 5,614,243.80, 8,405,619.30 and 5,456,779.80
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Solution
The fourth proportional to 5,614,243.80, 8,405,619.30 and 5,456,779.80 is: 8,169,864.94
Step by Step Solution
- Step 1: Write the proportion equation
5,614,243.80 : 8,405,619.30 = 5,456,779.80 : x - Step 2: Convert to fraction form
5,614,243.80/8,405,619.30 = 5,456,779.80/x - Step 3: Cross multiply
5,614,243.80x = 8,405,619.30 × 5,456,779.80 - Step 4: Simplify right side
5,614,243.80x = 45,867,613,602,730.14 - Step 5: Solve for x
x = 45,867,613,602,730.14/5,614,243.80 - Step 6: Final answer
x = 8,169,864.94
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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.