Finding the Fourth Proportional to 3,563,775.24, 4,917,949.47 and 2,015,012.99
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Solution
The fourth proportional to 3,563,775.24, 4,917,949.47 and 2,015,012.99 is: 2,780,683.79
Step by Step Solution
- Step 1: Write the proportion equation
3,563,775.24 : 4,917,949.47 = 2,015,012.99 : x - Step 2: Convert to fraction form
3,563,775.24/4,917,949.47 = 2,015,012.99/x - Step 3: Cross multiply
3,563,775.24x = 4,917,949.47 × 2,015,012.99 - Step 4: Simplify right side
3,563,775.24x = 9,909,732,041,623.87 - Step 5: Solve for x
x = 9,909,732,041,623.87/3,563,775.24 - Step 6: Final answer
x = 2,780,683.79
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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.