Finding the Fourth Proportional to 3,831,284.79, 5,309,995.41 and 3,759,540.26
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Solution
The fourth proportional to 3,831,284.79, 5,309,995.41 and 3,759,540.26 is: 5,210,560.58
Step by Step Solution
- Step 1: Write the proportion equation
3,831,284.79 : 5,309,995.41 = 3,759,540.26 : x - Step 2: Convert to fraction form
3,831,284.79/5,309,995.41 = 3,759,540.26/x - Step 3: Cross multiply
3,831,284.79x = 5,309,995.41 × 3,759,540.26 - Step 4: Simplify right side
3,831,284.79x = 19,963,141,497,760.23 - Step 5: Solve for x
x = 19,963,141,497,760.23/3,831,284.79 - Step 6: Final answer
x = 5,210,560.58
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.