Finding the Fourth Proportional to 3,436,210.23, 5,155,436.49 and 1,638,860.19
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Solution
The fourth proportional to 3,436,210.23, 5,155,436.49 and 1,638,860.19 is: 2,458,825.00
Step by Step Solution
- Step 1: Write the proportion equation
3,436,210.23 : 5,155,436.49 = 1,638,860.19 : x - Step 2: Convert to fraction form
3,436,210.23/5,155,436.49 = 1,638,860.19/x - Step 3: Cross multiply
3,436,210.23x = 5,155,436.49 × 1,638,860.19 - Step 4: Simplify right side
3,436,210.23x = 8,449,039,625,534.33 - Step 5: Solve for x
x = 8,449,039,625,534.33/3,436,210.23 - Step 6: Final answer
x = 2,458,825.00
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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.