Finding the Fourth Proportional to 3,707,440.08, 5,115,078.36 and 2,075,607.60
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Solution
The fourth proportional to 3,707,440.08, 5,115,078.36 and 2,075,607.60 is: 2,863,672.85
Step by Step Solution
- Step 1: Write the proportion equation
3,707,440.08 : 5,115,078.36 = 2,075,607.60 : x - Step 2: Convert to fraction form
3,707,440.08/5,115,078.36 = 2,075,607.60/x - Step 3: Cross multiply
3,707,440.08x = 5,115,078.36 × 2,075,607.60 - Step 4: Simplify right side
3,707,440.08x = 10,616,895,518,611.54 - Step 5: Solve for x
x = 10,616,895,518,611.54/3,707,440.08 - Step 6: Final answer
x = 2,863,672.85
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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.