Finding the Fourth Proportional to 2,863,372.81, 3,952,306.31 and 1,640,492.62
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Solution
The fourth proportional to 2,863,372.81, 3,952,306.31 and 1,640,492.62 is: 2,264,367.85
Step by Step Solution
- Step 1: Write the proportion equation
2,863,372.81 : 3,952,306.31 = 1,640,492.62 : x - Step 2: Convert to fraction form
2,863,372.81/3,952,306.31 = 1,640,492.62/x - Step 3: Cross multiply
2,863,372.81x = 3,952,306.31 × 1,640,492.62 - Step 4: Simplify right side
2,863,372.81x = 6,483,729,326,567.07 - Step 5: Solve for x
x = 6,483,729,326,567.07/2,863,372.81 - Step 6: Final answer
x = 2,264,367.85
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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.