Finding the Fourth Proportional to 1,669,162.09, 2,303,416.50 and 943,982.68
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Solution
The fourth proportional to 1,669,162.09, 2,303,416.50 and 943,982.68 is: 1,302,680.72
Step by Step Solution
- Step 1: Write the proportion equation
1,669,162.09 : 2,303,416.50 = 943,982.68 : x - Step 2: Convert to fraction form
1,669,162.09/2,303,416.50 = 943,982.68/x - Step 3: Cross multiply
1,669,162.09x = 2,303,416.50 × 943,982.68 - Step 4: Simplify right side
1,669,162.09x = 2,174,385,280,826.22 - Step 5: Solve for x
x = 2,174,385,280,826.22/1,669,162.09 - Step 6: Final answer
x = 1,302,680.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.