Finding the Fourth Proportional to 5,185,171.97, 7,155,537.94 and 2,862,065.28
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Solution
The fourth proportional to 5,185,171.97, 7,155,537.94 and 2,862,065.28 is: 3,949,650.43
Step by Step Solution
- Step 1: Write the proportion equation
5,185,171.97 : 7,155,537.94 = 2,862,065.28 : x - Step 2: Convert to fraction form
5,185,171.97/7,155,537.94 = 2,862,065.28/x - Step 3: Cross multiply
5,185,171.97x = 7,155,537.94 × 2,862,065.28 - Step 4: Simplify right side
5,185,171.97x = 20,479,616,683,933.37 - Step 5: Solve for x
x = 20,479,616,683,933.37/5,185,171.97 - Step 6: Final answer
x = 3,949,650.43
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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.