Finding the Fourth Proportional to 3,701,211.18, 5,107,642.56 and 2,069,621.70
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Solution
The fourth proportional to 3,701,211.18, 5,107,642.56 and 2,069,621.70 is: 2,856,061.80
Step by Step Solution
- Step 1: Write the proportion equation
3,701,211.18 : 5,107,642.56 = 2,069,621.70 : x - Step 2: Convert to fraction form
3,701,211.18/5,107,642.56 = 2,069,621.70/x - Step 3: Cross multiply
3,701,211.18x = 5,107,642.56 × 2,069,621.70 - Step 4: Simplify right side
3,701,211.18x = 10,570,887,878,019.55 - Step 5: Solve for x
x = 10,570,887,878,019.55/3,701,211.18 - Step 6: Final answer
x = 2,856,061.80
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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.