Finding the Fourth Proportional to 1,993,859.40, 2,991,177.90 and 856,619.40
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Solution
The fourth proportional to 1,993,859.40, 2,991,177.90 and 856,619.40 is: 1,285,096.14
Step by Step Solution
- Step 1: Write the proportion equation
1,993,859.40 : 2,991,177.90 = 856,619.40 : x - Step 2: Convert to fraction form
1,993,859.40/2,991,177.90 = 856,619.40/x - Step 3: Cross multiply
1,993,859.40x = 2,991,177.90 × 856,619.40 - Step 4: Simplify right side
1,993,859.40x = 2,562,301,017,991.26 - Step 5: Solve for x
x = 2,562,301,017,991.26/1,993,859.40 - Step 6: Final answer
x = 1,285,096.14
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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.