Finding the Fourth Proportional to 4,991,207.38, 6,887,870.79 and 2,699,368.12
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Solution
The fourth proportional to 4,991,207.38, 6,887,870.79 and 2,699,368.12 is: 3,725,130.50
Step by Step Solution
- Step 1: Write the proportion equation
4,991,207.38 : 6,887,870.79 = 2,699,368.12 : x - Step 2: Convert to fraction form
4,991,207.38/6,887,870.79 = 2,699,368.12/x - Step 3: Cross multiply
4,991,207.38x = 6,887,870.79 × 2,699,368.12 - Step 4: Simplify right side
4,991,207.38x = 18,592,898,825,205.21 - Step 5: Solve for x
x = 18,592,898,825,205.21/4,991,207.38 - Step 6: Final answer
x = 3,725,130.50
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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.