Finding the Fourth Proportional to 1,920,880.34, 2,881,433.21 and 722,812.99
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Solution
The fourth proportional to 1,920,880.34, 2,881,433.21 and 722,812.99 is: 1,084,261.89
Step by Step Solution
- Step 1: Write the proportion equation
1,920,880.34 : 2,881,433.21 = 722,812.99 : x - Step 2: Convert to fraction form
1,920,880.34/2,881,433.21 = 722,812.99/x - Step 3: Cross multiply
1,920,880.34x = 2,881,433.21 × 722,812.99 - Step 4: Simplify right side
1,920,880.34x = 2,082,737,343,187.75 - Step 5: Solve for x
x = 2,082,737,343,187.75/1,920,880.34 - Step 6: Final answer
x = 1,084,261.89
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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.