Finding the Fourth Proportional to 3,915,194.46, 5,872,779.81 and 1,075,309.14
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Solution
The fourth proportional to 3,915,194.46, 5,872,779.81 and 1,075,309.14 is: 1,612,960.45
Step by Step Solution
- Step 1: Write the proportion equation
3,915,194.46 : 5,872,779.81 = 1,075,309.14 : x - Step 2: Convert to fraction form
3,915,194.46/5,872,779.81 = 1,075,309.14/x - Step 3: Cross multiply
3,915,194.46x = 5,872,779.81 × 1,075,309.14 - Step 4: Simplify right side
3,915,194.46x = 6,315,053,806,900.46 - Step 5: Solve for x
x = 6,315,053,806,900.46/3,915,194.46 - Step 6: Final answer
x = 1,612,960.45
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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.