Finding the Fourth Proportional to 1,679,693.76, 2,518,799.49 and 481,344.12
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Solution
The fourth proportional to 1,679,693.76, 2,518,799.49 and 481,344.12 is: 721,803.79
Step by Step Solution
- Step 1: Write the proportion equation
1,679,693.76 : 2,518,799.49 = 481,344.12 : x - Step 2: Convert to fraction form
1,679,693.76/2,518,799.49 = 481,344.12/x - Step 3: Cross multiply
1,679,693.76x = 2,518,799.49 × 481,344.12 - Step 4: Simplify right side
1,679,693.76x = 1,212,409,323,970.50 - Step 5: Solve for x
x = 1,212,409,323,970.50/1,679,693.76 - Step 6: Final answer
x = 721,803.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.