Finding the Fourth Proportional to 2,136,871.68, 2,948,883.62 and 1,170,063.24
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Solution
The fourth proportional to 2,136,871.68, 2,948,883.62 and 1,170,063.24 is: 1,614,687.65
Step by Step Solution
- Step 1: Write the proportion equation
2,136,871.68 : 2,948,883.62 = 1,170,063.24 : x - Step 2: Convert to fraction form
2,136,871.68/2,948,883.62 = 1,170,063.24/x - Step 3: Cross multiply
2,136,871.68x = 2,948,883.62 × 1,170,063.24 - Step 4: Simplify right side
2,136,871.68x = 3,450,380,316,949.81 - Step 5: Solve for x
x = 3,450,380,316,949.81/2,136,871.68 - Step 6: Final answer
x = 1,614,687.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.