Finding the Fourth Proportional to 3,948,266.92, 5,448,610.20 and 2,137,430.92
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Solution
The fourth proportional to 3,948,266.92, 5,448,610.20 and 2,137,430.92 is: 2,949,655.67
Step by Step Solution
- Step 1: Write the proportion equation
3,948,266.92 : 5,448,610.20 = 2,137,430.92 : x - Step 2: Convert to fraction form
3,948,266.92/5,448,610.20 = 2,137,430.92/x - Step 3: Cross multiply
3,948,266.92x = 5,448,610.20 × 2,137,430.92 - Step 4: Simplify right side
3,948,266.92x = 11,646,027,912,507.38 - Step 5: Solve for x
x = 11,646,027,912,507.38/3,948,266.92 - Step 6: Final answer
x = 2,949,655.67
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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.