Finding the Fourth Proportional to 3,535,779.66, 4,879,246.50 and 2,161,425.12
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Solution
The fourth proportional to 3,535,779.66, 4,879,246.50 and 2,161,425.12 is: 2,982,687.54
Step by Step Solution
- Step 1: Write the proportion equation
3,535,779.66 : 4,879,246.50 = 2,161,425.12 : x - Step 2: Convert to fraction form
3,535,779.66/4,879,246.50 = 2,161,425.12/x - Step 3: Cross multiply
3,535,779.66x = 4,879,246.50 × 2,161,425.12 - Step 4: Simplify right side
3,535,779.66x = 10,546,125,951,772.08 - Step 5: Solve for x
x = 10,546,125,951,772.08/3,535,779.66 - Step 6: Final answer
x = 2,982,687.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.