Finding the Fourth Proportional to 4,627,261.26, 6,941,214.99 and 1,431,966.78
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Solution
The fourth proportional to 4,627,261.26, 6,941,214.99 and 1,431,966.78 is: 2,148,050.16
Step by Step Solution
- Step 1: Write the proportion equation
4,627,261.26 : 6,941,214.99 = 1,431,966.78 : x - Step 2: Convert to fraction form
4,627,261.26/6,941,214.99 = 1,431,966.78/x - Step 3: Cross multiply
4,627,261.26x = 6,941,214.99 × 1,431,966.78 - Step 4: Simplify right side
4,627,261.26x = 9,939,589,278,518.03 - Step 5: Solve for x
x = 9,939,589,278,518.03/4,627,261.26 - Step 6: Final answer
x = 2,148,050.16
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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.