Finding the Fourth Proportional to 4,991,256.25, 6,887,933.62 and 2,699,416.94
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Solution
The fourth proportional to 4,991,256.25, 6,887,933.62 and 2,699,416.94 is: 3,725,195.37
Step by Step Solution
- Step 1: Write the proportion equation
4,991,256.25 : 6,887,933.62 = 2,699,416.94 : x - Step 2: Convert to fraction form
4,991,256.25/6,887,933.62 = 2,699,416.94/x - Step 3: Cross multiply
4,991,256.25x = 6,887,933.62 × 2,699,416.94 - Step 4: Simplify right side
4,991,256.25x = 18,593,404,654,235.31 - Step 5: Solve for x
x = 18,593,404,654,235.31/4,991,256.25 - Step 6: Final answer
x = 3,725,195.37
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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.