Finding the Fourth Proportional to 5,246,470.54, 7,240,144.03 and 3,041,761.80
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Solution
The fourth proportional to 5,246,470.54, 7,240,144.03 and 3,041,761.80 is: 4,197,639.80
Step by Step Solution
- Step 1: Write the proportion equation
5,246,470.54 : 7,240,144.03 = 3,041,761.80 : x - Step 2: Convert to fraction form
5,246,470.54/7,240,144.03 = 3,041,761.80/x - Step 3: Cross multiply
5,246,470.54x = 7,240,144.03 × 3,041,761.80 - Step 4: Simplify right side
5,246,470.54x = 22,022,793,559,149.38 - Step 5: Solve for x
x = 22,022,793,559,149.38/5,246,470.54 - Step 6: Final answer
x = 4,197,639.80
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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.