Finding the Fourth Proportional to 4,984,403.24, 6,878,881.24 and 2,809,093.72
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Solution
The fourth proportional to 4,984,403.24, 6,878,881.24 and 2,809,093.72 is: 3,876,777.45
Step by Step Solution
- Step 1: Write the proportion equation
4,984,403.24 : 6,878,881.24 = 2,809,093.72 : x - Step 2: Convert to fraction form
4,984,403.24/6,878,881.24 = 2,809,093.72/x - Step 3: Cross multiply
4,984,403.24x = 6,878,881.24 × 2,809,093.72 - Step 4: Simplify right side
4,984,403.24x = 19,323,422,091,909.82 - Step 5: Solve for x
x = 19,323,422,091,909.82/4,984,403.24 - Step 6: Final answer
x = 3,876,777.45
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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.