Finding the Fourth Proportional to 5,279,560.02, 7,285,792.53 and 2,865,112.02
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Solution
The fourth proportional to 5,279,560.02, 7,285,792.53 and 2,865,112.02 is: 3,953,854.43
Step by Step Solution
- Step 1: Write the proportion equation
5,279,560.02 : 7,285,792.53 = 2,865,112.02 : x - Step 2: Convert to fraction form
5,279,560.02/7,285,792.53 = 2,865,112.02/x - Step 3: Cross multiply
5,279,560.02x = 7,285,792.53 × 2,865,112.02 - Step 4: Simplify right side
5,279,560.02x = 20,874,611,752,929.21 - Step 5: Solve for x
x = 20,874,611,752,929.21/5,279,560.02 - Step 6: Final answer
x = 3,953,854.43
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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.