Finding the Fourth Proportional to 2,918,895.24, 4,378,247.10 and 1,321,458.60
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Solution
The fourth proportional to 2,918,895.24, 4,378,247.10 and 1,321,458.60 is: 1,982,144.55
Step by Step Solution
- Step 1: Write the proportion equation
2,918,895.24 : 4,378,247.10 = 1,321,458.60 : x - Step 2: Convert to fraction form
2,918,895.24/4,378,247.10 = 1,321,458.60/x - Step 3: Cross multiply
2,918,895.24x = 4,378,247.10 × 1,321,458.60 - Step 4: Simplify right side
2,918,895.24x = 5,785,672,283,220.06 - Step 5: Solve for x
x = 5,785,672,283,220.06/2,918,895.24 - Step 6: Final answer
x = 1,982,144.55
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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.