Finding the Fourth Proportional to 1,958,156.67, 2,936,569.85 and 678,465.49
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Solution
The fourth proportional to 1,958,156.67, 2,936,569.85 and 678,465.49 is: 1,017,467.77
Step by Step Solution
- Step 1: Write the proportion equation
1,958,156.67 : 2,936,569.85 = 678,465.49 : x - Step 2: Convert to fraction form
1,958,156.67/2,936,569.85 = 678,465.49/x - Step 3: Cross multiply
1,958,156.67x = 2,936,569.85 × 678,465.49 - Step 4: Simplify right side
1,958,156.67x = 1,992,361,307,775.14 - Step 5: Solve for x
x = 1,992,361,307,775.14/1,958,156.67 - Step 6: Final answer
x = 1,017,467.77
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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.