Finding the Fourth Proportional to 1,545,605.40, 2,318,408.10 and 1,374,363.30
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Solution
The fourth proportional to 1,545,605.40, 2,318,408.10 and 1,374,363.30 is: 2,061,544.95
Step by Step Solution
- Step 1: Write the proportion equation
1,545,605.40 : 2,318,408.10 = 1,374,363.30 : x - Step 2: Convert to fraction form
1,545,605.40/2,318,408.10 = 1,374,363.30/x - Step 3: Cross multiply
1,545,605.40x = 2,318,408.10 × 1,374,363.30 - Step 4: Simplify right side
1,545,605.40x = 3,186,335,007,062.73 - Step 5: Solve for x
x = 3,186,335,007,062.73/1,545,605.40 - Step 6: Final answer
x = 2,061,544.95
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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.