Finding the Fourth Proportional to 1,787,321.80, 2,681,001.38 and 708,096.99
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Solution
The fourth proportional to 1,787,321.80, 2,681,001.38 and 708,096.99 is: 1,062,152.88
Step by Step Solution
- Step 1: Write the proportion equation
1,787,321.80 : 2,681,001.38 = 708,096.99 : x - Step 2: Convert to fraction form
1,787,321.80/2,681,001.38 = 708,096.99/x - Step 3: Cross multiply
1,787,321.80x = 2,681,001.38 × 708,096.99 - Step 4: Simplify right side
1,787,321.80x = 1,898,409,004,107.21 - Step 5: Solve for x
x = 1,898,409,004,107.21/1,787,321.80 - Step 6: Final answer
x = 1,062,152.88
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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.