Finding the Fourth Proportional to 4,324,556.16, 5,968,055.52 and 2,871,746.40
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Solution
The fourth proportional to 4,324,556.16, 5,968,055.52 and 2,871,746.40 is: 3,963,121.61
Step by Step Solution
- Step 1: Write the proportion equation
4,324,556.16 : 5,968,055.52 = 2,871,746.40 : x - Step 2: Convert to fraction form
4,324,556.16/5,968,055.52 = 2,871,746.40/x - Step 3: Cross multiply
4,324,556.16x = 5,968,055.52 × 2,871,746.40 - Step 4: Simplify right side
4,324,556.16x = 17,138,741,954,560.13 - Step 5: Solve for x
x = 17,138,741,954,560.13/4,324,556.16 - Step 6: Final answer
x = 3,963,121.61
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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.