Finding the Fourth Proportional to 3,979,473.77, 5,968,877.51 and 1,100,876.03
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Solution
The fourth proportional to 3,979,473.77, 5,968,877.51 and 1,100,876.03 is: 1,651,221.88
Step by Step Solution
- Step 1: Write the proportion equation
3,979,473.77 : 5,968,877.51 = 1,100,876.03 : x - Step 2: Convert to fraction form
3,979,473.77/5,968,877.51 = 1,100,876.03/x - Step 3: Cross multiply
3,979,473.77x = 5,968,877.51 × 1,100,876.03 - Step 4: Simplify right side
3,979,473.77x = 6,570,994,172,056.18 - Step 5: Solve for x
x = 6,570,994,172,056.18/3,979,473.77 - Step 6: Final answer
x = 1,651,221.88
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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.