Finding the Fourth Proportional to 5,212,598.57, 7,189,120.98 and 3,668,970.23
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Solution
The fourth proportional to 5,212,598.57, 7,189,120.98 and 3,668,970.23 is: 5,060,176.90
Step by Step Solution
- Step 1: Write the proportion equation
5,212,598.57 : 7,189,120.98 = 3,668,970.23 : x - Step 2: Convert to fraction form
5,212,598.57/7,189,120.98 = 3,668,970.23/x - Step 3: Cross multiply
5,212,598.57x = 7,189,120.98 × 3,668,970.23 - Step 4: Simplify right side
5,212,598.57x = 26,376,670,846,502.02 - Step 5: Solve for x
x = 26,376,670,846,502.02/5,212,598.57 - Step 6: Final answer
x = 5,060,176.90
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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.