Finding the Fourth Proportional to 3,639,603.70, 5,459,405.55 and 2,799,795.70
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Solution
The fourth proportional to 3,639,603.70, 5,459,405.55 and 2,799,795.70 is: 4,199,693.55
Step by Step Solution
- Step 1: Write the proportion equation
3,639,603.70 : 5,459,405.55 = 2,799,795.70 : x - Step 2: Convert to fraction form
3,639,603.70/5,459,405.55 = 2,799,795.70/x - Step 3: Cross multiply
3,639,603.70x = 5,459,405.55 × 2,799,795.70 - Step 4: Simplify right side
3,639,603.70x = 15,285,220,183,446.13 - Step 5: Solve for x
x = 15,285,220,183,446.13/3,639,603.70 - Step 6: Final answer
x = 4,199,693.55
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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.