Finding the Fourth Proportional to 5,102,778.96, 7,041,852.36 and 2,810,934.18
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Solution
The fourth proportional to 5,102,778.96, 7,041,852.36 and 2,810,934.18 is: 3,879,098.75
Step by Step Solution
- Step 1: Write the proportion equation
5,102,778.96 : 7,041,852.36 = 2,810,934.18 : x - Step 2: Convert to fraction form
5,102,778.96/7,041,852.36 = 2,810,934.18/x - Step 3: Cross multiply
5,102,778.96x = 7,041,852.36 × 2,810,934.18 - Step 4: Simplify right side
5,102,778.96x = 19,794,183,489,237.67 - Step 5: Solve for x
x = 19,794,183,489,237.67/5,102,778.96 - Step 6: Final answer
x = 3,879,098.75
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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.