Finding the Fourth Proportional to 2,343,439.48, 3,234,109.28 and 1,311,287.28
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Solution
The fourth proportional to 2,343,439.48, 3,234,109.28 and 1,311,287.28 is: 1,809,667.54
Step by Step Solution
- Step 1: Write the proportion equation
2,343,439.48 : 3,234,109.28 = 1,311,287.28 : x - Step 2: Convert to fraction form
2,343,439.48/3,234,109.28 = 1,311,287.28/x - Step 3: Cross multiply
2,343,439.48x = 3,234,109.28 × 1,311,287.28 - Step 4: Simplify right side
2,343,439.48x = 4,240,846,360,993.96 - Step 5: Solve for x
x = 4,240,846,360,993.96/2,343,439.48 - Step 6: Final answer
x = 1,809,667.54
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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.