Finding the Fourth Proportional to 2,267,409.70, 3,128,793.24 and 1,396,106.20
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Solution
The fourth proportional to 2,267,409.70, 3,128,793.24 and 1,396,106.20 is: 1,926,483.62
Step by Step Solution
- Step 1: Write the proportion equation
2,267,409.70 : 3,128,793.24 = 1,396,106.20 : x - Step 2: Convert to fraction form
2,267,409.70/3,128,793.24 = 1,396,106.20/x - Step 3: Cross multiply
2,267,409.70x = 3,128,793.24 × 1,396,106.20 - Step 4: Simplify right side
2,267,409.70x = 4,368,127,640,882.09 - Step 5: Solve for x
x = 4,368,127,640,882.09/2,267,409.70 - Step 6: Final answer
x = 1,926,483.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.