Finding the Fourth Proportional to 2,790,911.10, 4,187,533.05 and 898,232.70
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Solution
The fourth proportional to 2,790,911.10, 4,187,533.05 and 898,232.70 is: 1,347,724.45
Step by Step Solution
- Step 1: Write the proportion equation
2,790,911.10 : 4,187,533.05 = 898,232.70 : x - Step 2: Convert to fraction form
2,790,911.10/4,187,533.05 = 898,232.70/x - Step 3: Cross multiply
2,790,911.10x = 4,187,533.05 × 898,232.70 - Step 4: Simplify right side
2,790,911.10x = 3,761,379,117,840.74 - Step 5: Solve for x
x = 3,761,379,117,840.74/2,790,911.10 - Step 6: Final answer
x = 1,347,724.45
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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.