Finding the Fourth Proportional to 5,229,631.02, 7,217,564.94 and 2,938,234.62
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Solution
The fourth proportional to 5,229,631.02, 7,217,564.94 and 2,938,234.62 is: 4,055,142.53
Step by Step Solution
- Step 1: Write the proportion equation
5,229,631.02 : 7,217,564.94 = 2,938,234.62 : x - Step 2: Convert to fraction form
5,229,631.02/7,217,564.94 = 2,938,234.62/x - Step 3: Cross multiply
5,229,631.02x = 7,217,564.94 × 2,938,234.62 - Step 4: Simplify right side
5,229,631.02x = 21,206,899,178,806.23 - Step 5: Solve for x
x = 21,206,899,178,806.23/5,229,631.02 - Step 6: Final answer
x = 4,055,142.53
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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.