Finding the Fourth Proportional to 3,387,762.24, 5,101,925.36 and 3,085,431.36
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Solution
The fourth proportional to 3,387,762.24, 5,101,925.36 and 3,085,431.36 is: 4,646,619.03
Step by Step Solution
- Step 1: Write the proportion equation
3,387,762.24 : 5,101,925.36 = 3,085,431.36 : x - Step 2: Convert to fraction form
3,387,762.24/5,101,925.36 = 3,085,431.36/x - Step 3: Cross multiply
3,387,762.24x = 5,101,925.36 × 3,085,431.36 - Step 4: Simplify right side
3,387,762.24x = 15,741,640,502,123.29 - Step 5: Solve for x
x = 15,741,640,502,123.29/3,387,762.24 - Step 6: Final answer
x = 4,646,619.03
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.