Finding the Fourth Proportional to 4,219,232.49, 5,822,568.78 and 2,285,493.03
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Solution
The fourth proportional to 4,219,232.49, 5,822,568.78 and 2,285,493.03 is: 3,153,995.52
Step by Step Solution
- Step 1: Write the proportion equation
4,219,232.49 : 5,822,568.78 = 2,285,493.03 : x - Step 2: Convert to fraction form
4,219,232.49/5,822,568.78 = 2,285,493.03/x - Step 3: Cross multiply
4,219,232.49x = 5,822,568.78 × 2,285,493.03 - Step 4: Simplify right side
4,219,232.49x = 13,307,440,363,385.60 - Step 5: Solve for x
x = 13,307,440,363,385.60/4,219,232.49 - Step 6: Final answer
x = 3,153,995.52
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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.