Finding the Fourth Proportional to 2,660,804.24, 3,991,467.65 and 715,508.74
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Solution
The fourth proportional to 2,660,804.24, 3,991,467.65 and 715,508.74 is: 1,073,333.38
Step by Step Solution
- Step 1: Write the proportion equation
2,660,804.24 : 3,991,467.65 = 715,508.74 : x - Step 2: Convert to fraction form
2,660,804.24/3,991,467.65 = 715,508.74/x - Step 3: Cross multiply
2,660,804.24x = 3,991,467.65 × 715,508.74 - Step 4: Simplify right side
2,660,804.24x = 2,855,929,990,414.05 - Step 5: Solve for x
x = 2,855,929,990,414.05/2,660,804.24 - Step 6: Final answer
x = 1,073,333.38
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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.