Finding the Fourth Proportional to 2,198,624.10, 3,298,519.35 and 778,532.10
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Solution
The fourth proportional to 2,198,624.10, 3,298,519.35 and 778,532.10 is: 1,168,004.66
Step by Step Solution
- Step 1: Write the proportion equation
2,198,624.10 : 3,298,519.35 = 778,532.10 : x - Step 2: Convert to fraction form
2,198,624.10/3,298,519.35 = 778,532.10/x - Step 3: Cross multiply
2,198,624.10x = 3,298,519.35 × 778,532.10 - Step 4: Simplify right side
2,198,624.10x = 2,568,003,196,446.13 - Step 5: Solve for x
x = 2,568,003,196,446.13/2,198,624.10 - Step 6: Final answer
x = 1,168,004.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.