Finding the Fourth Proportional to 1,682,776.08, 2,322,221.81 and 918,824.18
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Solution
The fourth proportional to 1,682,776.08, 2,322,221.81 and 918,824.18 is: 1,267,972.35
Step by Step Solution
- Step 1: Write the proportion equation
1,682,776.08 : 2,322,221.81 = 918,824.18 : x - Step 2: Convert to fraction form
1,682,776.08/2,322,221.81 = 918,824.18/x - Step 3: Cross multiply
1,682,776.08x = 2,322,221.81 × 918,824.18 - Step 4: Simplify right side
1,682,776.08x = 2,133,713,534,146.14 - Step 5: Solve for x
x = 2,133,713,534,146.14/1,682,776.08 - Step 6: Final answer
x = 1,267,972.35
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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.