Finding the Fourth Proportional to 1,579,816.67, 2,180,208.81 and 926,351.87
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Solution
The fourth proportional to 1,579,816.67, 2,180,208.81 and 926,351.87 is: 1,278,401.82
Step by Step Solution
- Step 1: Write the proportion equation
1,579,816.67 : 2,180,208.81 = 926,351.87 : x - Step 2: Convert to fraction form
1,579,816.67/2,180,208.81 = 926,351.87/x - Step 3: Cross multiply
1,579,816.67x = 2,180,208.81 × 926,351.87 - Step 4: Simplify right side
1,579,816.67x = 2,019,640,497,232.93 - Step 5: Solve for x
x = 2,019,640,497,232.93/1,579,816.67 - Step 6: Final answer
x = 1,278,401.82
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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.