Finding the Fourth Proportional to 4,991,286.84, 6,887,975.82 and 2,699,447.53
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Solution
The fourth proportional to 4,991,286.84, 6,887,975.82 and 2,699,447.53 is: 3,725,237.58
Step by Step Solution
- Step 1: Write the proportion equation
4,991,286.84 : 6,887,975.82 = 2,699,447.53 : x - Step 2: Convert to fraction form
4,991,286.84/6,887,975.82 = 2,699,447.53/x - Step 3: Cross multiply
4,991,286.84x = 6,887,975.82 × 2,699,447.53 - Step 4: Simplify right side
4,991,286.84x = 18,593,729,266,061.61 - Step 5: Solve for x
x = 18,593,729,266,061.61/4,991,286.84 - Step 6: Final answer
x = 3,725,237.58
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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.