Finding the Fourth Proportional to 4,824,871.80, 7,219,218.24 and 2,872,458.96
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Solution
The fourth proportional to 4,824,871.80, 7,219,218.24 and 2,872,458.96 is: 4,297,918.99
Step by Step Solution
- Step 1: Write the proportion equation
4,824,871.80 : 7,219,218.24 = 2,872,458.96 : x - Step 2: Convert to fraction form
4,824,871.80/7,219,218.24 = 2,872,458.96/x - Step 3: Cross multiply
4,824,871.80x = 7,219,218.24 × 2,872,458.96 - Step 4: Simplify right side
4,824,871.80x = 20,736,908,117,683.43 - Step 5: Solve for x
x = 20,736,908,117,683.43/4,824,871.80 - Step 6: Final answer
x = 4,297,918.99
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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.