Finding the Fourth Proportional to 2,659,362.88, 3,990,495.84 and 1,539,618.88
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Solution
The fourth proportional to 2,659,362.88, 3,990,495.84 and 1,539,618.88 is: 2,310,268.67
Step by Step Solution
- Step 1: Write the proportion equation
2,659,362.88 : 3,990,495.84 = 1,539,618.88 : x - Step 2: Convert to fraction form
2,659,362.88/3,990,495.84 = 1,539,618.88/x - Step 3: Cross multiply
2,659,362.88x = 3,990,495.84 × 1,539,618.88 - Step 4: Simplify right side
2,659,362.88x = 6,143,842,735,825.46 - Step 5: Solve for x
x = 6,143,842,735,825.46/2,659,362.88 - Step 6: Final answer
x = 2,310,268.67
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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.