Finding the Fourth Proportional to 3,361,975.12, 4,639,504.12 and 1,911,670.93
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Solution
The fourth proportional to 3,361,975.12, 4,639,504.12 and 1,911,670.93 is: 2,638,093.63
Step by Step Solution
- Step 1: Write the proportion equation
3,361,975.12 : 4,639,504.12 = 1,911,670.93 : x - Step 2: Convert to fraction form
3,361,975.12/4,639,504.12 = 1,911,670.93/x - Step 3: Cross multiply
3,361,975.12x = 4,639,504.12 × 1,911,670.93 - Step 4: Simplify right side
3,361,975.12x = 8,869,205,155,819.23 - Step 5: Solve for x
x = 8,869,205,155,819.23/3,361,975.12 - Step 6: Final answer
x = 2,638,093.63
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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.