Finding the Fourth Proportional to 3,754,297.20, 5,180,541.12 and 2,304,053.76
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Solution
The fourth proportional to 3,754,297.20, 5,180,541.12 and 2,304,053.76 is: 3,179,355.45
Step by Step Solution
- Step 1: Write the proportion equation
3,754,297.20 : 5,180,541.12 = 2,304,053.76 : x - Step 2: Convert to fraction form
3,754,297.20/5,180,541.12 = 2,304,053.76/x - Step 3: Cross multiply
3,754,297.20x = 5,180,541.12 × 2,304,053.76 - Step 4: Simplify right side
3,754,297.20x = 11,936,245,246,370.61 - Step 5: Solve for x
x = 11,936,245,246,370.61/3,754,297.20 - Step 6: Final answer
x = 3,179,355.45
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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.