Finding the Fourth Proportional to 2,458,809.19, 3,393,489.50 and 1,440,619.75
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Solution
The fourth proportional to 2,458,809.19, 3,393,489.50 and 1,440,619.75 is: 1,988,250.25
Step by Step Solution
- Step 1: Write the proportion equation
2,458,809.19 : 3,393,489.50 = 1,440,619.75 : x - Step 2: Convert to fraction form
2,458,809.19/3,393,489.50 = 1,440,619.75/x - Step 3: Cross multiply
2,458,809.19x = 3,393,489.50 × 1,440,619.75 - Step 4: Simplify right side
2,458,809.19x = 4,888,727,995,117.63 - Step 5: Solve for x
x = 4,888,727,995,117.63/2,458,809.19 - Step 6: Final answer
x = 1,988,250.25
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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.