Finding the Fourth Proportional to 3,820,546.54, 5,730,859.76 and 1,124,922.79
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Solution
The fourth proportional to 3,820,546.54, 5,730,859.76 and 1,124,922.79 is: 1,687,395.94
Step by Step Solution
- Step 1: Write the proportion equation
3,820,546.54 : 5,730,859.76 = 1,124,922.79 : x - Step 2: Convert to fraction form
3,820,546.54/5,730,859.76 = 1,124,922.79/x - Step 3: Cross multiply
3,820,546.54x = 5,730,859.76 × 1,124,922.79 - Step 4: Simplify right side
3,820,546.54x = 6,446,774,719,620.81 - Step 5: Solve for x
x = 6,446,774,719,620.81/3,820,546.54 - Step 6: Final answer
x = 1,687,395.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.