Finding the Fourth Proportional to 3,149,832.69, 4,725,438.09 and 1,020,132.09
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Solution
The fourth proportional to 3,149,832.69, 4,725,438.09 and 1,020,132.09 is: 1,530,421.30
Step by Step Solution
- Step 1: Write the proportion equation
3,149,832.69 : 4,725,438.09 = 1,020,132.09 : x - Step 2: Convert to fraction form
3,149,832.69/4,725,438.09 = 1,020,132.09/x - Step 3: Cross multiply
3,149,832.69x = 4,725,438.09 × 1,020,132.09 - Step 4: Simplify right side
3,149,832.69x = 4,820,571,034,917.31 - Step 5: Solve for x
x = 4,820,571,034,917.31/3,149,832.69 - Step 6: Final answer
x = 1,530,421.30
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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.