Finding the Fourth Proportional to 2,472,396.68, 3,411,517.70 and 1,440,074.36
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Solution
The fourth proportional to 2,472,396.68, 3,411,517.70 and 1,440,074.36 is: 1,987,075.62
Step by Step Solution
- Step 1: Write the proportion equation
2,472,396.68 : 3,411,517.70 = 1,440,074.36 : x - Step 2: Convert to fraction form
2,472,396.68/3,411,517.70 = 1,440,074.36/x - Step 3: Cross multiply
2,472,396.68x = 3,411,517.70 × 1,440,074.36 - Step 4: Simplify right side
2,472,396.68x = 4,912,839,161,255.80 - Step 5: Solve for x
x = 4,912,839,161,255.80/2,472,396.68 - Step 6: Final answer
x = 1,987,075.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.