Finding the Fourth Proportional to 2,389,873.77, 3,297,569.54 and 1,410,120.99
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Solution
The fourth proportional to 2,389,873.77, 3,297,569.54 and 1,410,120.99 is: 1,945,697.75
Step by Step Solution
- Step 1: Write the proportion equation
2,389,873.77 : 3,297,569.54 = 1,410,120.99 : x - Step 2: Convert to fraction form
2,389,873.77/3,297,569.54 = 1,410,120.99/x - Step 3: Cross multiply
2,389,873.77x = 3,297,569.54 × 1,410,120.99 - Step 4: Simplify right side
2,389,873.77x = 4,649,972,017,288.04 - Step 5: Solve for x
x = 4,649,972,017,288.04/2,389,873.77 - Step 6: Final answer
x = 1,945,697.75
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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.