Finding the Fourth Proportional to 4,991,206.38, 6,887,869.41 and 2,699,367.12
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Solution
The fourth proportional to 4,991,206.38, 6,887,869.41 and 2,699,367.12 is: 3,725,129.12
Step by Step Solution
- Step 1: Write the proportion equation
4,991,206.38 : 6,887,869.41 = 2,699,367.12 : x - Step 2: Convert to fraction form
4,991,206.38/6,887,869.41 = 2,699,367.12/x - Step 3: Cross multiply
4,991,206.38x = 6,887,869.41 × 2,699,367.12 - Step 4: Simplify right side
4,991,206.38x = 18,592,888,212,207.80 - Step 5: Solve for x
x = 18,592,888,212,207.80/4,991,206.38 - Step 6: Final answer
x = 3,725,129.12
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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.