Finding the Fourth Proportional to 4,235,811.12, 5,845,464.50 and 2,302,071.80
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Solution
The fourth proportional to 4,235,811.12, 5,845,464.50 and 2,302,071.80 is: 3,176,883.61
Step by Step Solution
- Step 1: Write the proportion equation
4,235,811.12 : 5,845,464.50 = 2,302,071.80 : x - Step 2: Convert to fraction form
4,235,811.12/5,845,464.50 = 2,302,071.80/x - Step 3: Cross multiply
4,235,811.12x = 5,845,464.50 × 2,302,071.80 - Step 4: Simplify right side
4,235,811.12x = 13,456,678,942,613.42 - Step 5: Solve for x
x = 13,456,678,942,613.42/4,235,811.12 - Step 6: Final answer
x = 3,176,883.61
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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.