Finding the Fourth Proportional to 3,943,653.24, 5,442,245.10 and 2,132,817.24
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Solution
The fourth proportional to 3,943,653.24, 5,442,245.10 and 2,132,817.24 is: 2,943,289.75
Step by Step Solution
- Step 1: Write the proportion equation
3,943,653.24 : 5,442,245.10 = 2,132,817.24 : x - Step 2: Convert to fraction form
3,943,653.24/5,442,245.10 = 2,132,817.24/x - Step 3: Cross multiply
3,943,653.24x = 5,442,245.10 × 2,132,817.24 - Step 4: Simplify right side
3,943,653.24x = 11,607,314,173,585.53 - Step 5: Solve for x
x = 11,607,314,173,585.53/3,943,653.24 - Step 6: Final answer
x = 2,943,289.75
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1.5x scale
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.