Finding the Fourth Proportional to 5,512,322.64, 7,605,295.56 and 3,218,828.88
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Solution
The fourth proportional to 5,512,322.64, 7,605,295.56 and 3,218,828.88 is: 4,440,985.51
Step by Step Solution
- Step 1: Write the proportion equation
5,512,322.64 : 7,605,295.56 = 3,218,828.88 : x - Step 2: Convert to fraction form
5,512,322.64/7,605,295.56 = 3,218,828.88/x - Step 3: Cross multiply
5,512,322.64x = 7,605,295.56 × 3,218,828.88 - Step 4: Simplify right side
5,512,322.64x = 24,480,144,989,463.77 - Step 5: Solve for x
x = 24,480,144,989,463.77/5,512,322.64 - Step 6: Final answer
x = 4,440,985.51
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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.