Finding the Fourth Proportional to 3,430,976.36, 4,734,770.34 and 1,903,109.48
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Solution
The fourth proportional to 3,430,976.36, 4,734,770.34 and 1,903,109.48 is: 2,626,303.82
Step by Step Solution
- Step 1: Write the proportion equation
3,430,976.36 : 4,734,770.34 = 1,903,109.48 : x - Step 2: Convert to fraction form
3,430,976.36/4,734,770.34 = 1,903,109.48/x - Step 3: Cross multiply
3,430,976.36x = 4,734,770.34 × 1,903,109.48 - Step 4: Simplify right side
3,430,976.36x = 9,010,786,319,676.82 - Step 5: Solve for x
x = 9,010,786,319,676.82/3,430,976.36 - Step 6: Final answer
x = 2,626,303.82
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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.