Finding the Fourth Proportional to 1,938,989.62, 2,907,135.33 and 858,915.82
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Solution
The fourth proportional to 1,938,989.62, 2,907,135.33 and 858,915.82 is: 1,287,776.12
Step by Step Solution
- Step 1: Write the proportion equation
1,938,989.62 : 2,907,135.33 = 858,915.82 : x - Step 2: Convert to fraction form
1,938,989.62/2,907,135.33 = 858,915.82/x - Step 3: Cross multiply
1,938,989.62x = 2,907,135.33 × 858,915.82 - Step 4: Simplify right side
1,938,989.62x = 2,496,984,525,817.92 - Step 5: Solve for x
x = 2,496,984,525,817.92/1,938,989.62 - Step 6: Final answer
x = 1,287,776.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.