Finding the Fourth Proportional to 6,930,104.62, 10,394,362.77 and 1,813,028.31
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Solution
The fourth proportional to 6,930,104.62, 10,394,362.77 and 1,813,028.31 is: 2,719,334.70
Step by Step Solution
- Step 1: Write the proportion equation
6,930,104.62 : 10,394,362.77 = 1,813,028.31 : x - Step 2: Convert to fraction form
6,930,104.62/10,394,362.77 = 1,813,028.31/x - Step 3: Cross multiply
6,930,104.62x = 10,394,362.77 × 1,813,028.31 - Step 4: Simplify right side
6,930,104.62x = 18,845,273,966,420.02 - Step 5: Solve for x
x = 18,845,273,966,420.02/6,930,104.62 - Step 6: Final answer
x = 2,719,334.70
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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.