Finding the Fourth Proportional to 5,009,018.81, 6,912,463.50 and 2,717,195.90
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Solution
The fourth proportional to 5,009,018.81, 6,912,463.50 and 2,717,195.90 is: 3,749,739.85
Step by Step Solution
- Step 1: Write the proportion equation
5,009,018.81 : 6,912,463.50 = 2,717,195.90 : x - Step 2: Convert to fraction form
5,009,018.81/6,912,463.50 = 2,717,195.90/x - Step 3: Cross multiply
5,009,018.81x = 6,912,463.50 × 2,717,195.90 - Step 4: Simplify right side
5,009,018.81x = 18,782,517,446,537.33 - Step 5: Solve for x
x = 18,782,517,446,537.33/5,009,018.81 - Step 6: Final answer
x = 3,749,739.85
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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.