Finding the Fourth Proportional to 3,948,561.28, 5,449,050.62 and 2,316,995.84
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Solution
The fourth proportional to 3,948,561.28, 5,449,050.62 and 2,316,995.84 is: 3,197,475.41
Step by Step Solution
- Step 1: Write the proportion equation
3,948,561.28 : 5,449,050.62 = 2,316,995.84 : x - Step 2: Convert to fraction form
3,948,561.28/5,449,050.62 = 2,316,995.84/x - Step 3: Cross multiply
3,948,561.28x = 5,449,050.62 × 2,316,995.84 - Step 4: Simplify right side
3,948,561.28x = 12,625,427,609,968.91 - Step 5: Solve for x
x = 12,625,427,609,968.91/3,948,561.28 - Step 6: Final answer
x = 3,197,475.41
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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.