Finding the Fourth Proportional to 3,162,203.58, 4,371,195.58 and 2,821,417.14
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Solution
The fourth proportional to 3,162,203.58, 4,371,195.58 and 2,821,417.14 is: 3,900,117.69
Step by Step Solution
- Step 1: Write the proportion equation
3,162,203.58 : 4,371,195.58 = 2,821,417.14 : x - Step 2: Convert to fraction form
3,162,203.58/4,371,195.58 = 2,821,417.14/x - Step 3: Cross multiply
3,162,203.58x = 4,371,195.58 × 2,821,417.14 - Step 4: Simplify right side
3,162,203.58x = 12,332,966,131,704.24 - Step 5: Solve for x
x = 12,332,966,131,704.24/3,162,203.58 - Step 6: Final answer
x = 3,900,117.69
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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.