Finding the Fourth Proportional to 5,025,449.99, 7,539,015.61 and 3,945,918.85
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Solution
The fourth proportional to 5,025,449.99, 7,539,015.61 and 3,945,918.85 is: 5,919,538.32
Step by Step Solution
- Step 1: Write the proportion equation
5,025,449.99 : 7,539,015.61 = 3,945,918.85 : x - Step 2: Convert to fraction form
5,025,449.99/7,539,015.61 = 3,945,918.85/x - Step 3: Cross multiply
5,025,449.99x = 7,539,015.61 × 3,945,918.85 - Step 4: Simplify right side
5,025,449.99x = 29,748,343,805,943.25 - Step 5: Solve for x
x = 29,748,343,805,943.25/5,025,449.99 - Step 6: Final answer
x = 5,919,538.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.