Finding the Fourth Proportional to 4,021,363.81, 6,030,765.79 and 1,325,186.05
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Solution
The fourth proportional to 4,021,363.81, 6,030,765.79 and 1,325,186.05 is: 1,987,357.29
Step by Step Solution
- Step 1: Write the proportion equation
4,021,363.81 : 6,030,765.79 = 1,325,186.05 : x - Step 2: Convert to fraction form
4,021,363.81/6,030,765.79 = 1,325,186.05/x - Step 3: Cross multiply
4,021,363.81x = 6,030,765.79 × 1,325,186.05 - Step 4: Simplify right side
4,021,363.81x = 7,991,886,695,725.23 - Step 5: Solve for x
x = 7,991,886,695,725.23/4,021,363.81 - Step 6: Final answer
x = 1,987,357.29
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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.