Finding the Fourth Proportional to 4,486,323.84, 6,191,120.96 and 2,876,688
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Solution
The fourth proportional to 4,486,323.84, 6,191,120.96 and 2,876,688 is: 3,969,825.63
Step by Step Solution
- Step 1: Write the proportion equation
4,486,323.84 : 6,191,120.96 = 2,876,688 : x - Step 2: Convert to fraction form
4,486,323.84/6,191,120.96 = 2,876,688/x - Step 3: Cross multiply
4,486,323.84x = 6,191,120.96 × 2,876,688 - Step 4: Simplify right side
4,486,323.84x = 17,809,923,372,180.48 - Step 5: Solve for x
x = 17,809,923,372,180.48/4,486,323.84 - Step 6: Final answer
x = 3,969,825.63
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1.5x scale
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.