Finding the Fourth Proportional to 1,980,711.36, 2,734,651.80 and 1,361,546.16
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Solution
The fourth proportional to 1,980,711.36, 2,734,651.80 and 1,361,546.16 is: 1,879,806.79
Step by Step Solution
- Step 1: Write the proportion equation
1,980,711.36 : 2,734,651.80 = 1,361,546.16 : x - Step 2: Convert to fraction form
1,980,711.36/2,734,651.80 = 1,361,546.16/x - Step 3: Cross multiply
1,980,711.36x = 2,734,651.80 × 1,361,546.16 - Step 4: Simplify right side
1,980,711.36x = 3,723,354,657,227.09 - Step 5: Solve for x
x = 3,723,354,657,227.09/1,980,711.36 - Step 6: Final answer
x = 1,879,806.79
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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.