Finding the Fourth Proportional to 2,861,618.40, 4,292,470.80 and 731,655.36
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Solution
The fourth proportional to 2,861,618.40, 4,292,470.80 and 731,655.36 is: 1,097,494.09
Step by Step Solution
- Step 1: Write the proportion equation
2,861,618.40 : 4,292,470.80 = 731,655.36 : x - Step 2: Convert to fraction form
2,861,618.40/4,292,470.80 = 731,655.36/x - Step 3: Cross multiply
2,861,618.40x = 4,292,470.80 × 731,655.36 - Step 4: Simplify right side
2,861,618.40x = 3,140,609,268,463.49 - Step 5: Solve for x
x = 3,140,609,268,463.49/2,861,618.40 - Step 6: Final answer
x = 1,097,494.09
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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.