Finding the Fourth Proportional to 7,581,201.82, 10,463,917.42 and 4,319,938.92
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Solution
The fourth proportional to 7,581,201.82, 10,463,917.42 and 4,319,938.92 is: 5,962,574.96
Step by Step Solution
- Step 1: Write the proportion equation
7,581,201.82 : 10,463,917.42 = 4,319,938.92 : x - Step 2: Convert to fraction form
7,581,201.82/10,463,917.42 = 4,319,938.92/x - Step 3: Cross multiply
7,581,201.82x = 10,463,917.42 × 4,319,938.92 - Step 4: Simplify right side
7,581,201.82x = 45,203,484,118,323.98 - Step 5: Solve for x
x = 45,203,484,118,323.98/7,581,201.82 - Step 6: Final answer
x = 5,962,574.96
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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.