Finding the Fourth Proportional to 3,912,967.40, 5,862,452.70 and 2,415,309.80
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Solution
The fourth proportional to 3,912,967.40, 5,862,452.70 and 2,415,309.80 is: 3,618,644.88
Step by Step Solution
- Step 1: Write the proportion equation
3,912,967.40 : 5,862,452.70 = 2,415,309.80 : x - Step 2: Convert to fraction form
3,912,967.40/5,862,452.70 = 2,415,309.80/x - Step 3: Cross multiply
3,912,967.40x = 5,862,452.70 × 2,415,309.80 - Step 4: Simplify right side
3,912,967.40x = 14,159,639,458,346.46 - Step 5: Solve for x
x = 14,159,639,458,346.46/3,912,967.40 - Step 6: Final answer
x = 3,618,644.88
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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.