Finding the Fourth Proportional to 3,679,338.16, 5,073,141.63 and 2,518,344.91
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Solution
The fourth proportional to 3,679,338.16, 5,073,141.63 and 2,518,344.91 is: 3,472,341.99
Step by Step Solution
- Step 1: Write the proportion equation
3,679,338.16 : 5,073,141.63 = 2,518,344.91 : x - Step 2: Convert to fraction form
3,679,338.16/5,073,141.63 = 2,518,344.91/x - Step 3: Cross multiply
3,679,338.16x = 5,073,141.63 × 2,518,344.91 - Step 4: Simplify right side
3,679,338.16x = 12,775,920,403,239.13 - Step 5: Solve for x
x = 12,775,920,403,239.13/3,679,338.16 - Step 6: Final answer
x = 3,472,341.99
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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.