Finding the Fourth Proportional to 4,127,116.36, 5,695,431.56 and 2,291,578.06
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Solution
The fourth proportional to 4,127,116.36, 5,695,431.56 and 2,291,578.06 is: 3,162,383.82
Step by Step Solution
- Step 1: Write the proportion equation
4,127,116.36 : 5,695,431.56 = 2,291,578.06 : x - Step 2: Convert to fraction form
4,127,116.36/5,695,431.56 = 2,291,578.06/x - Step 3: Cross multiply
4,127,116.36x = 5,695,431.56 × 2,291,578.06 - Step 4: Simplify right side
4,127,116.36x = 13,051,526,005,127.57 - Step 5: Solve for x
x = 13,051,526,005,127.57/4,127,116.36 - Step 6: Final answer
x = 3,162,383.82
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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.