Finding the Fourth Proportional to 3,430,328.96, 4,734,144.48 and 1,902,928
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Solution
The fourth proportional to 3,430,328.96, 4,734,144.48 and 1,902,928 is: 2,626,201.80
Step by Step Solution
- Step 1: Write the proportion equation
3,430,328.96 : 4,734,144.48 = 1,902,928 : x - Step 2: Convert to fraction form
3,430,328.96/4,734,144.48 = 1,902,928/x - Step 3: Cross multiply
3,430,328.96x = 4,734,144.48 × 1,902,928 - Step 4: Simplify right side
3,430,328.96x = 9,008,736,087,037.44 - Step 5: Solve for x
x = 9,008,736,087,037.44/3,430,328.96 - Step 6: Final answer
x = 2,626,201.80
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1.5x scale
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.