Finding the Fourth Proportional to 4,991,302.74, 6,887,997.81 and 2,699,463.42
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Solution
The fourth proportional to 4,991,302.74, 6,887,997.81 and 2,699,463.42 is: 3,725,259.54
Step by Step Solution
- Step 1: Write the proportion equation
4,991,302.74 : 6,887,997.81 = 2,699,463.42 : x - Step 2: Convert to fraction form
4,991,302.74/6,887,997.81 = 2,699,463.42/x - Step 3: Cross multiply
4,991,302.74x = 6,887,997.81 × 2,699,463.42 - Step 4: Simplify right side
4,991,302.74x = 18,593,898,125,135.11 - Step 5: Solve for x
x = 18,593,898,125,135.11/4,991,302.74 - Step 6: Final answer
x = 3,725,259.54
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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.