Finding the Fourth Proportional to 2,096,230.78, 2,892,639.36 and 1,178,313.94
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Solution
The fourth proportional to 2,096,230.78, 2,892,639.36 and 1,178,313.94 is: 1,625,983.80
Step by Step Solution
- Step 1: Write the proportion equation
2,096,230.78 : 2,892,639.36 = 1,178,313.94 : x - Step 2: Convert to fraction form
2,096,230.78/2,892,639.36 = 1,178,313.94/x - Step 3: Cross multiply
2,096,230.78x = 2,892,639.36 × 1,178,313.94 - Step 4: Simplify right side
2,096,230.78x = 3,408,437,281,280.68 - Step 5: Solve for x
x = 3,408,437,281,280.68/2,096,230.78 - Step 6: Final answer
x = 1,625,983.80
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1.5x scale
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.