Finding the Fourth Proportional to 2,912,314.26, 4,365,040.23 and 1,313,004.90
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Solution
The fourth proportional to 2,912,314.26, 4,365,040.23 and 1,313,004.90 is: 1,967,960.43
Step by Step Solution
- Step 1: Write the proportion equation
2,912,314.26 : 4,365,040.23 = 1,313,004.90 : x - Step 2: Convert to fraction form
2,912,314.26/4,365,040.23 = 1,313,004.90/x - Step 3: Cross multiply
2,912,314.26x = 4,365,040.23 × 1,313,004.90 - Step 4: Simplify right side
2,912,314.26x = 5,731,319,210,687.13 - Step 5: Solve for x
x = 5,731,319,210,687.13/2,912,314.26 - Step 6: Final answer
x = 1,967,960.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.