Finding the Fourth Proportional to 2,420,680.14, 3,340,538.58 and 1,332,949.11
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Solution
The fourth proportional to 2,420,680.14, 3,340,538.58 and 1,332,949.11 is: 1,839,469.76
Step by Step Solution
- Step 1: Write the proportion equation
2,420,680.14 : 3,340,538.58 = 1,332,949.11 : x - Step 2: Convert to fraction form
2,420,680.14/3,340,538.58 = 1,332,949.11/x - Step 3: Cross multiply
2,420,680.14x = 3,340,538.58 × 1,332,949.11 - Step 4: Simplify right side
2,420,680.14x = 4,452,767,927,131.66 - Step 5: Solve for x
x = 4,452,767,927,131.66/2,420,680.14 - Step 6: Final answer
x = 1,839,469.76
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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.