Finding the Fourth Proportional to 2,486,607.21, 3,729,898.29 and 2,148,619.44
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Solution
The fourth proportional to 2,486,607.21, 3,729,898.29 and 2,148,619.44 is: 3,222,918.34
Step by Step Solution
- Step 1: Write the proportion equation
2,486,607.21 : 3,729,898.29 = 2,148,619.44 : x - Step 2: Convert to fraction form
2,486,607.21/3,729,898.29 = 2,148,619.44/x - Step 3: Cross multiply
2,486,607.21x = 3,729,898.29 × 2,148,619.44 - Step 4: Simplify right side
2,486,607.21x = 8,014,131,975,116.76 - Step 5: Solve for x
x = 8,014,131,975,116.76/2,486,607.21 - Step 6: Final answer
x = 3,222,918.34
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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.