Finding the Fourth Proportional to 3,072,405.62, 4,239,917.10 and 1,714,278.62
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Solution
The fourth proportional to 3,072,405.62, 4,239,917.10 and 1,714,278.62 is: 2,365,703.01
Step by Step Solution
- Step 1: Write the proportion equation
3,072,405.62 : 4,239,917.10 = 1,714,278.62 : x - Step 2: Convert to fraction form
3,072,405.62/4,239,917.10 = 1,714,278.62/x - Step 3: Cross multiply
3,072,405.62x = 4,239,917.10 × 1,714,278.62 - Step 4: Simplify right side
3,072,405.62x = 7,268,399,235,102.40 - Step 5: Solve for x
x = 7,268,399,235,102.40/3,072,405.62 - Step 6: Final answer
x = 2,365,703.01
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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.