Finding the Fourth Proportional to 4,828,912.40, 7,243,368.60 and 3,233,277.20
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Solution
The fourth proportional to 4,828,912.40, 7,243,368.60 and 3,233,277.20 is: 4,849,915.80
Step by Step Solution
- Step 1: Write the proportion equation
4,828,912.40 : 7,243,368.60 = 3,233,277.20 : x - Step 2: Convert to fraction form
4,828,912.40/7,243,368.60 = 3,233,277.20/x - Step 3: Cross multiply
4,828,912.40x = 7,243,368.60 × 3,233,277.20 - Step 4: Simplify right side
4,828,912.40x = 23,419,818,545,575.92 - Step 5: Solve for x
x = 23,419,818,545,575.92/4,828,912.40 - Step 6: Final answer
x = 4,849,915.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.