Finding the Fourth Proportional to 3,888,803.97, 5,369,077.34 and 3,480,203.34
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Solution
The fourth proportional to 3,888,803.97, 5,369,077.34 and 3,480,203.34 is: 4,804,942.87
Step by Step Solution
- Step 1: Write the proportion equation
3,888,803.97 : 5,369,077.34 = 3,480,203.34 : x - Step 2: Convert to fraction form
3,888,803.97/5,369,077.34 = 3,480,203.34/x - Step 3: Cross multiply
3,888,803.97x = 5,369,077.34 × 3,480,203.34 - Step 4: Simplify right side
3,888,803.97x = 18,685,480,891,386.31 - Step 5: Solve for x
x = 18,685,480,891,386.31/3,888,803.97 - Step 6: Final answer
x = 4,804,942.87
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1.5x scale
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.