Finding the Fourth Proportional to 1,762,753.20, 2,643,611.40 and 697,441.20
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Solution
The fourth proportional to 1,762,753.20, 2,643,611.40 and 697,441.20 is: 1,045,956.69
Step by Step Solution
- Step 1: Write the proportion equation
1,762,753.20 : 2,643,611.40 = 697,441.20 : x - Step 2: Convert to fraction form
1,762,753.20/2,643,611.40 = 697,441.20/x - Step 3: Cross multiply
1,762,753.20x = 2,643,611.40 × 697,441.20 - Step 4: Simplify right side
1,762,753.20x = 1,843,763,507,149.68 - Step 5: Solve for x
x = 1,843,763,507,149.68/1,762,753.20 - Step 6: Final answer
x = 1,045,956.69
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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.