Finding the Fourth Proportional to 5,286,114.99, 7,294,253.65 and 2,931,253.53
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Solution
The fourth proportional to 5,286,114.99, 7,294,253.65 and 2,931,253.53 is: 4,044,805.46
Step by Step Solution
- Step 1: Write the proportion equation
5,286,114.99 : 7,294,253.65 = 2,931,253.53 : x - Step 2: Convert to fraction form
5,286,114.99/7,294,253.65 = 2,931,253.53/x - Step 3: Cross multiply
5,286,114.99x = 7,294,253.65 × 2,931,253.53 - Step 4: Simplify right side
5,286,114.99x = 21,381,306,760,277.88 - Step 5: Solve for x
x = 21,381,306,760,277.88/5,286,114.99 - Step 6: Final answer
x = 4,044,805.46
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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.