Finding the Fourth Proportional to 6,966,261.21, 9,613,759.05 and 3,868,798.53
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Solution
The fourth proportional to 6,966,261.21, 9,613,759.05 and 3,868,798.53 is: 5,339,118.90
Step by Step Solution
- Step 1: Write the proportion equation
6,966,261.21 : 9,613,759.05 = 3,868,798.53 : x - Step 2: Convert to fraction form
6,966,261.21/9,613,759.05 = 3,868,798.53/x - Step 3: Cross multiply
6,966,261.21x = 9,613,759.05 × 3,868,798.53 - Step 4: Simplify right side
6,966,261.21x = 37,193,696,880,414.20 - Step 5: Solve for x
x = 37,193,696,880,414.20/6,966,261.21 - Step 6: Final answer
x = 5,339,118.90
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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.