Finding the Fourth Proportional to 3,075,745.86, 4,244,526.09 and 1,717,619.94
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Solution
The fourth proportional to 3,075,745.86, 4,244,526.09 and 1,717,619.94 is: 2,370,313.73
Step by Step Solution
- Step 1: Write the proportion equation
3,075,745.86 : 4,244,526.09 = 1,717,619.94 : x - Step 2: Convert to fraction form
3,075,745.86/4,244,526.09 = 1,717,619.94/x - Step 3: Cross multiply
3,075,745.86x = 4,244,526.09 × 1,717,619.94 - Step 4: Simplify right side
3,075,745.86x = 7,290,482,648,034.24 - Step 5: Solve for x
x = 7,290,482,648,034.24/3,075,745.86 - Step 6: Final answer
x = 2,370,313.73
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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.