Finding the Fourth Proportional to 1,603,466.62, 2,212,168.02 and 915,176.68
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Solution
The fourth proportional to 1,603,466.62, 2,212,168.02 and 915,176.68 is: 1,262,592.29
Step by Step Solution
- Step 1: Write the proportion equation
1,603,466.62 : 2,212,168.02 = 915,176.68 : x - Step 2: Convert to fraction form
1,603,466.62/2,212,168.02 = 915,176.68/x - Step 3: Cross multiply
1,603,466.62x = 2,212,168.02 × 915,176.68 - Step 4: Simplify right side
1,603,466.62x = 2,024,524,584,145.77 - Step 5: Solve for x
x = 2,024,524,584,145.77/1,603,466.62 - Step 6: Final answer
x = 1,262,592.29
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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.