Finding the Fourth Proportional to 3,771,018.06, 5,203,995.30 and 2,052,138.12
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Solution
The fourth proportional to 3,771,018.06, 5,203,995.30 and 2,052,138.12 is: 2,831,945.37
Step by Step Solution
- Step 1: Write the proportion equation
3,771,018.06 : 5,203,995.30 = 2,052,138.12 : x - Step 2: Convert to fraction form
3,771,018.06/5,203,995.30 = 2,052,138.12/x - Step 3: Cross multiply
3,771,018.06x = 5,203,995.30 × 2,052,138.12 - Step 4: Simplify right side
3,771,018.06x = 10,679,317,131,430.84 - Step 5: Solve for x
x = 10,679,317,131,430.84/3,771,018.06 - Step 6: Final answer
x = 2,831,945.37
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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.