Finding the Fourth Proportional to 2,155,422.64, 3,233,134.20 and 1,196,467.12
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Solution
The fourth proportional to 2,155,422.64, 3,233,134.20 and 1,196,467.12 is: 1,794,700.81
Step by Step Solution
- Step 1: Write the proportion equation
2,155,422.64 : 3,233,134.20 = 1,196,467.12 : x - Step 2: Convert to fraction form
2,155,422.64/3,233,134.20 = 1,196,467.12/x - Step 3: Cross multiply
2,155,422.64x = 3,233,134.20 × 1,196,467.12 - Step 4: Simplify right side
2,155,422.64x = 3,868,338,764,847.50 - Step 5: Solve for x
x = 3,868,338,764,847.50/2,155,422.64 - Step 6: Final answer
x = 1,794,700.81
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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.