Finding the Fourth Proportional to 3,917,563.02, 5,406,248.22 and 2,175,236.18
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Solution
The fourth proportional to 3,917,563.02, 5,406,248.22 and 2,175,236.18 is: 3,001,832.17
Step by Step Solution
- Step 1: Write the proportion equation
3,917,563.02 : 5,406,248.22 = 2,175,236.18 : x - Step 2: Convert to fraction form
3,917,563.02/5,406,248.22 = 2,175,236.18/x - Step 3: Cross multiply
3,917,563.02x = 5,406,248.22 × 2,175,236.18 - Step 4: Simplify right side
3,917,563.02x = 11,759,866,699,173.36 - Step 5: Solve for x
x = 11,759,866,699,173.36/3,917,563.02 - Step 6: Final answer
x = 3,001,832.17
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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.