Finding the Fourth Proportional to 1,762,765.20, 2,643,629.40 and 697,453.20
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Solution
The fourth proportional to 1,762,765.20, 2,643,629.40 and 697,453.20 is: 1,045,974.69
Step by Step Solution
- Step 1: Write the proportion equation
1,762,765.20 : 2,643,629.40 = 697,453.20 : x - Step 2: Convert to fraction form
1,762,765.20/2,643,629.40 = 697,453.20/x - Step 3: Cross multiply
1,762,765.20x = 2,643,629.40 × 697,453.20 - Step 4: Simplify right side
1,762,765.20x = 1,843,807,784,644.08 - Step 5: Solve for x
x = 1,843,807,784,644.08/1,762,765.20 - Step 6: Final answer
x = 1,045,974.69
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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.