Finding the Fourth Proportional to 3,916,014.99, 5,404,442.64 and 2,284,947.81
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Solution
The fourth proportional to 3,916,014.99, 5,404,442.64 and 2,284,947.81 is: 3,153,427.50
Step by Step Solution
- Step 1: Write the proportion equation
3,916,014.99 : 5,404,442.64 = 2,284,947.81 : x - Step 2: Convert to fraction form
3,916,014.99/5,404,442.64 = 2,284,947.81/x - Step 3: Cross multiply
3,916,014.99x = 5,404,442.64 × 2,284,947.81 - Step 4: Simplify right side
3,916,014.99x = 12,348,869,374,538.62 - Step 5: Solve for x
x = 12,348,869,374,538.62/3,916,014.99 - Step 6: Final answer
x = 3,153,427.50
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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.