Finding the Fourth Proportional to 2,688,341.20, 4,027,846.20 and 2,268,437.20
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Solution
The fourth proportional to 2,688,341.20, 4,027,846.20 and 2,268,437.20 is: 3,398,718.94
Step by Step Solution
- Step 1: Write the proportion equation
2,688,341.20 : 4,027,846.20 = 2,268,437.20 : x - Step 2: Convert to fraction form
2,688,341.20/4,027,846.20 = 2,268,437.20/x - Step 3: Cross multiply
2,688,341.20x = 4,027,846.20 × 2,268,437.20 - Step 4: Simplify right side
2,688,341.20x = 9,136,916,155,958.64 - Step 5: Solve for x
x = 9,136,916,155,958.64/2,688,341.20 - Step 6: Final answer
x = 3,398,718.94
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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.