Finding the Fourth Proportional to 2,201,198.40, 3,298,687.20 and 1,357,243.20
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Solution
The fourth proportional to 2,201,198.40, 3,298,687.20 and 1,357,243.20 is: 2,033,946.95
Step by Step Solution
- Step 1: Write the proportion equation
2,201,198.40 : 3,298,687.20 = 1,357,243.20 : x - Step 2: Convert to fraction form
2,201,198.40/3,298,687.20 = 1,357,243.20/x - Step 3: Cross multiply
2,201,198.40x = 3,298,687.20 × 1,357,243.20 - Step 4: Simplify right side
2,201,198.40x = 4,477,120,771,127.04 - Step 5: Solve for x
x = 4,477,120,771,127.04/2,201,198.40 - Step 6: Final answer
x = 2,033,946.95
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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.