Finding the Fourth Proportional to 7,179,029.60, 10,770,579.48 and 2,922,252.80
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Solution
The fourth proportional to 7,179,029.60, 10,770,579.48 and 2,922,252.80 is: 4,384,207.59
Step by Step Solution
- Step 1: Write the proportion equation
7,179,029.60 : 10,770,579.48 = 2,922,252.80 : x - Step 2: Convert to fraction form
7,179,029.60/10,770,579.48 = 2,922,252.80/x - Step 3: Cross multiply
7,179,029.60x = 10,770,579.48 × 2,922,252.80 - Step 4: Simplify right side
7,179,029.60x = 31,474,356,043,052.54 - Step 5: Solve for x
x = 31,474,356,043,052.54/7,179,029.60 - Step 6: Final answer
x = 4,384,207.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.