Finding the Fourth Proportional to 5,705,746.91, 7,874,738.13 and 3,530,990.46
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Solution
The fourth proportional to 5,705,746.91, 7,874,738.13 and 3,530,990.46 is: 4,873,266.49
Step by Step Solution
- Step 1: Write the proportion equation
5,705,746.91 : 7,874,738.13 = 3,530,990.46 : x - Step 2: Convert to fraction form
5,705,746.91/7,874,738.13 = 3,530,990.46/x - Step 3: Cross multiply
5,705,746.91x = 7,874,738.13 × 3,530,990.46 - Step 4: Simplify right side
5,705,746.91x = 27,805,625,212,028.24 - Step 5: Solve for x
x = 27,805,625,212,028.24/5,705,746.91 - Step 6: Final answer
x = 4,873,266.49
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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.