Finding the Fourth Proportional to 5,468,998.40, 8,204,931.20 and 2,103,315.20
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Solution
The fourth proportional to 5,468,998.40, 8,204,931.20 and 2,103,315.20 is: 3,155,524.15
Step by Step Solution
- Step 1: Write the proportion equation
5,468,998.40 : 8,204,931.20 = 2,103,315.20 : x - Step 2: Convert to fraction form
5,468,998.40/8,204,931.20 = 2,103,315.20/x - Step 3: Cross multiply
5,468,998.40x = 8,204,931.20 × 2,103,315.20 - Step 4: Simplify right side
5,468,998.40x = 17,257,556,507,914.24 - Step 5: Solve for x
x = 17,257,556,507,914.24/5,468,998.40 - Step 6: Final answer
x = 3,155,524.15
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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.