Finding the Fourth Proportional to 2,912,318.28, 4,365,046.24 and 1,313,008.92
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Solution
The fourth proportional to 2,912,318.28, 4,365,046.24 and 1,313,008.92 is: 1,967,966.44
Step by Step Solution
- Step 1: Write the proportion equation
2,912,318.28 : 4,365,046.24 = 1,313,008.92 : x - Step 2: Convert to fraction form
2,912,318.28/4,365,046.24 = 1,313,008.92/x - Step 3: Cross multiply
2,912,318.28x = 4,365,046.24 × 1,313,008.92 - Step 4: Simplify right side
2,912,318.28x = 5,731,344,649,332.46 - Step 5: Solve for x
x = 5,731,344,649,332.46/2,912,318.28 - Step 6: Final answer
x = 1,967,966.44
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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.