Finding the Fourth Proportional to 3,419,920.80, 5,129,881.20 and 895,831.20
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Solution
The fourth proportional to 3,419,920.80, 5,129,881.20 and 895,831.20 is: 1,343,746.80
Step by Step Solution
- Step 1: Write the proportion equation
3,419,920.80 : 5,129,881.20 = 895,831.20 : x - Step 2: Convert to fraction form
3,419,920.80/5,129,881.20 = 895,831.20/x - Step 3: Cross multiply
3,419,920.80x = 5,129,881.20 × 895,831.20 - Step 4: Simplify right side
3,419,920.80x = 4,595,507,631,253.44 - Step 5: Solve for x
x = 4,595,507,631,253.44/3,419,920.80 - Step 6: Final answer
x = 1,343,746.80
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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.